Biology MCQ for NEET Preparation Free PDF

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    Biology MCQ for NEET Preparation Free PDF. We provided the Biology MCQ for NEET Preparation Free PDF in this post for free so that you can practice well for the exam.

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    Biology MCQ for NEET Students Preparation Free PDF

    Quick Quiz

    The first stable product of photosynthesis is –

    (a) Glucose

    (b) Sucrose

    (c) Starch

    (d) Phosphoglyceric acid

    Option d – Phosphoglyceric acid

    Widal test is used for the diagnosis of ( Biology MCQ for NEET Preparation Free PDF )

    (a) Malaria

    (b) Cholera

    (c) Typhoid

    (d) Salmonellosis

    Option c – Typhoid

    Where does the cabbage store food?

    (a) Stem

    (b) Root

    (c) Leaves

    (d) Fruit

    Option c – Leaves

    Activity of an enzyme can be modulated by a change in ( Biology MCQ for NEET Preparation Free PDF )

    (a) Light

    (b) pH

    (c) Rainfall

    (d) Humidity

    Option b – pH

    The animal that does not develop hypertension despite heavy salt intake is –

    (a) Camel

    (b) Sheep

    (c) Tiger

    (d) Buffalo

    Option a – Camel

    The primary producers in an ecosystem are ( Biology MCQ for NEET Preparation Free PDF )

    (a) Men

    (b) Women

    (c) Bacteria

    (d) Plants

    Option d – Plants

    Which one of the following is the respiratory pigment in humans?

    (a) Haemoglobin

    (b) Haemoerythrin

    (c) Haemocyanin

    (d) β-carotene

    Option a – Haemoglobin

    White revolution is related to ( Biology MCQ for NEET Preparation Free PDF )

    (a) Milk production

    (b) Fish production

    (c) Wheat production

    (d) Flood control

    Option a – Milk production

    What does the ‘Ozone layer’ absorb?

    (a) X-rays

    (b) UV-rays

    (c) Gamma rays

    (d) Infrared rays

    Option b – UV-rays

    Which one of the following organs converts glycogen into glucose and purifies the blood? ( Biology MCQ for NEET Preparation Free PDF )

    (a) Liver

    (b) Spleen

    (c) Lungs

    (d) Kidney

    Option a – Liver

    Blood pressure is controlled by –

    (a) Thymus

    (b) Corpus luteum

    (c) Adrenal gland

    (d) Thyroid gland

    Option c – Adrenal gland

    Bee keeping is known as ( Biology MCQ for NEET Preparation Free PDF )

    (a) Agriculture

    (b) Apiculture

    (c) Aquaculture

    (d) Sericulture

    Option b – Apiculture

    Which of the following is commonly used in preparing custard powder?

    (a) Maize

    (b) Rice

    (c) Wheat

    (d) Raggi

    Option a – Maize

    Linseed is obtained from ( Biology MCQ for NEET Preparation Free PDF )

    (a) Sesame

    (b) Flax

    (c) Castor

    (d) Groundnut

    Option b – Flax

    Lungs of plants are –

    (a) Stems

    (b) Leaves

    (c) Roots

    (d) Flowers

    Option b – Leaves

    The biggest single-celled organism is ( Biology MCQ for NEET Preparation Free PDF )

    (a) Yeast

    (b) Amoeba

    (c) Acetobacter

    (d) Acetabularia

    Option b – Amoeba

    Fluid part of blood devoid of corpuscles is called –

    (a) Serum

    (b) Plasma

    (c) Lymph

    (d) Tissue fluid

    Option a – Serum

    Which one of the following does not secrete any digestive enzyme? ( Biology MCQ for NEET Preparation Free PDF )

    (a) Pancreas

    (b) Liver

    (c) Salivary gland

    (d) Glands of small intestine

    Option b – Liver

    The vitamin most readily destroyed by heat is –

    (a) Thiamine

    (b) Riboflavin

    (c) Tocopherols

    (d) Ascorbic acid

    Option d – Ascorbic acid

    Protein which renders a cell less susceptible to attack by viruses is called ( Biology MCQ for NEET Preparation Free PDF )

    (a) Hybridoma

    (b) Actomyosin

    (c) Interferon

    (d) Chloromycetin

    Option c – Interferon

    Which one of the following organs excretes water, fat, and various catabolic wastes?

    (a) Skin

    (b) Kidney

    (c) Spleen

    (d) Salivary glands

    Option b – Kidney

    The only bird that flies backward is ( Biology MCQ for NEET Preparation Free PDF )

    (a) Koel

    (b) Hummingbird

    (c) Siberian crane

    (d) Sparrow

    Option b – Hummingbird

    Hypertension is the term used for –

    (a) Increase in blood pressure

    (b) Increase in heart rate

    (c) Decrease in blood pressure

    (d) Decrease in heart rate

    Option a – Increase in blood pressure

    Minamata disease was caused by ( Biology MCQ for NEET Preparation Free PDF )

    (a) Zinc

    (b) Lead

    (c) Cadmium

    (d) Mercury

    Option d – Mercury

    Transfer of genetic information from one generation to the next generation is by –

    (a) RNA

    (b) DNA

    (c) Codon

    (d) Messenger RNA

    Option b – DNA

    Which is the only mammal that can fly? ( Biology MCQ for NEET Preparation Free PDF )

    (a) Lizard

    (b) Hen

    (c) Bat

    (d) Whale

    Option c – Bat

    Tendons and ligaments are –

    (a) Skeletal tissue

    (b) Muscular tissue

    (c) Connective tissue

    (d) Epithelial tissue

    Option c – Connective tissue

    What may be the cause of malfunctioning of the thyroid gland? ( Biology MCQ for NEET Preparation Free PDF )

    (a) Vitamin C deficiency

    (b) Iron deficiency

    (c) Iodine deficiency

    (d) Calcium deficiency

    Option c – Iodine deficiency

    Which is the gland that holds the body’s thermostat?

    (a) Thyroid

    (b) Pituitary

    (c) Pineal

    (d) Hypothalamus

    Option d – Hypothalamus

    Myoglobin contains the metal ( Biology MCQ for NEET Preparation Free PDF )

    (a) Iron

    (b) Silver

    (c) Gold

    (d) Copper

    Option d – Copper

    Number of spinal nerves is –

    (a) 15 pairs

    (b) 12 pairs

    (c) 10 pairs

    (d) None of these

    Option d – None of these

    Corpus luteum is a mass of cells found in ( Biology MCQ for NEET Preparation Free PDF )

    (a) Spleen

    (b) Ovary

    (c) Brain

    (d) Pancreas

    Option b – Ovary

    In which one of the following animals is skin a respiratory organ?

    (a) Spark

    (b) Frog

    (c) Whale

    (d) Cockroach

    Option b – Frog

    In the context of Indian wildlife, the flying fox is a ( Biology MCQ for NEET Preparation Free PDF )

    (a) Kite

    (b) Bat

    (c) Vulture

    (d) Stork

    Option a – Kite

    Largest Indian fish is –

    (a) Whale shark

    (b) Hilsa

    (c) Stone fish

    (d) None of these

    Option a – Whale shark

    Alpha-keratin is a protein present in ( Biology MCQ for NEET Preparation Free PDF )

    (a) Egg

    (b) Skin

    (c) Blood

    (d) Lymph

    Option b – Skin

    Xenobiotics that are inherently resistant to microbial attack are called –

    (a) Persistent

    (b) Biodegradable

    (c) Recalcitrant

    (d) All of these

    Option c – Recalcitrant

    Life originated by chemosynthesis was proved in the laboratory by ( Biology MCQ for NEET Preparation Free PDF )

    (a) Pasteur

    (b) Miller

    (c) Sanger

    (d) Aristotle

    Option b – Miller

    Tachycardia is a condition characterized by –

    (a) Heartbeat stops

    (b) Heart fails to pump

    (c) Heart rate increases from normal

    (d) Heart rate decreases from normal

    Option c – Heart rate increases from normal

    Which of the following is a form of sexual reproduction? ( Biology MCQ for NEET Preparation Free PDF )

    (a) Budding

    (b) Fission

    (c) Fragmentation

    (d) Hermaphroditism

    Option d – Hermaphroditism

    In India, Dugong (sea cow) is found in the bio-reserve site of –

    (a) Manas

    (b) Nokrek

    (c) Sunderbans

    (d) Gulf of Mannar

    Option d – Gulf of Mannar

    The best milch breed in the world is ( Biology MCQ for NEET Preparation Free PDF )

    (a) Deoni

    (b) Sindhi

    (c) Holstein-Friesian

    (d) Chittagong

    Option c – Holstein-Friesian

    Oxyntic cells are responsible for the secretion of –

    (a) Pepsin

    (b) Lactic acid

    (c) Enterokinase

    (d) Hydrochloric acid

    Option d – Hydrochloric acid

    Addition of excessive amounts of heat to a lake is called ( Biology MCQ for NEET Preparation Free PDF )

    (a) Heat Bloom

    (b) Thermal pollution

    (c) Greenhouse effect

    (d) Refrigeration effect

    Option c – Greenhouse effect

    Which one of the following products results when it readily loses active oxygen?

    (a) Ozone

    (b) Hydrogen

    (c) Water

    (d) Nascent hydrogen

    Option c – Water

    The fleshy thalamus is edible in ( Biology MCQ for NEET Preparation Free PDF )

    (a) Mango

    (b) Orange

    (c) Apple

    (d) Tomato

    Option c – Apple

    Carolus Linnaeus’ system of classification is –

    (a) Binomial

    (b) Natural

    (c) Phylogenetic

    (d) Artificial

    Option a – Binomial

    Fish is a first-class protein because it contains –

    (a) All essential fatty acids

    (b) No amino acids

    (c) Essential amino acids

    (d) Non-essential amino acids

    Option c – Essential amino acids

    Which one of the following types of malaria is pernicious malaria?

    (a) Malignant

    (b) Relapse

    (c) Tertian

    (d) Vivax

    Option a – Malignant

    Which of the following makes the skin layer impervious to water?

    (a) Melanin

    (b) Collagen

    (c) Chitin

    (d) Keratin

    Option d – Keratin

    Which of the following diseases usually spread through milk?

    (a) Cholera

    (b) Jaundice

    (c) Diphtheria

    (d) Tuberculosis

    Option d – Tuberculosis

    Animals having an open circulatory system possess –

    (a) Haemocoel

    (b) Spongecoel

    (c) Coelenteron

    (d) Pseudocoel

    Option a – Haemocoel

    Which of the following snakes, killed for its beautiful skin, has been declared an endangered species?

    (a) Python

    (b) Krait

    (c) Russel’s viper

    (d) King cobra

    Option c – Russel’s viper

    From which of the following is quinine extracted?

    (a) Datura

    (b) Cinchona

    (c) Opium

    (d) Sarpagandha

    Option b – Cinchona

    The coding segment of DNA is called –

    (a) Codon

    (b) Muton

    (c) Exon

    (d) Intron

    Option a – Codon

    Blubber is –

    (a) A layer of thick fat

    (b) Fungal infection of rice plants

    (c) A milky secretion of the rubber plant

    (d) A device to trap insects by some aquatic plants

    Option a – A layer of thick fat

    The dormancy period of animals during the winter season is called –

    (a) Mutation

    (b) Regeneration

    (c) Hibernation

    (d) Aestivation

    Option c – Hibernation

    A large number of identical plants can be obtained in a short span of time through –

    (a) Stem cuttings

    (b) Tissue culture technique

    (c) Hydroponics method

    (d) Large number of seeds of a single plant

    Option b – Tissue culture technique

    AIDS virus has –

    (a) Single-stranded RNA

    (b) Single-stranded DNA

    (c) Double-stranded RNA

    (d) Double-stranded DNA

    Option a – Single-stranded RNA

    Which wood will become useless soon after being exposed to open air?

    (a) Fibrous wood

    (b) Softwood

    (c) Wet wood

    (d) Hardwood

    Option c – Wet wood

    Which of the following is known as vitamin B₁?

    (a) Ascorbic acid

    (b) Thiamin

    (c) Retinol

    (d) Riboflavin

    Option b – Thiamin

    A plant with compound leaves is –

    (a) Coconut

    (b) Papaya

    (c) Peepal

    (d) Hibiscus

    Option a – Coconut

    Hydroponics is a method of plant culture without using –

    (a) Soil

    (b) Sand

    (c) Light

    (d) Water

    Option a – Soil

    Which of the following three R’s are regarded as environment-friendly?

    (a) Read, Register, Recall

    (b) Reduce, Reuse, Recycle

    (c) Random, Reduce, Recall

    (d) Reduce, Rebuild, Restrict

    Option b – Reduce, Reuse, Recycle

    The process through which excess light energy is dissipated in photosynthesis is known as –

    (a) Photolysis

    (b) Quenching

    (c) Scavenging

    (d) Photophosphorylation

    Option b – Quenching

    Respiration is regarded as a –

    (a) Anabolic process

    (b) Reduction process

    (c) Catabolic process

    (d) Synthetic process

    Option c – Catabolic process

    The ambient air is stable when the ambient lapse rate is –

    (a) Sub-adiabatic

    (b) Super-adiabatic

    (c) Neutrally stable

    (d) Hyper-adiabatic

    Option a – Sub-adiabatic

    The fasting blood glucose level in an adult (mg/100ml) is –

    (a) 60

    (b) 100

    (c) 160

    (d) 200

    Option b – 100

    The disease that has been eradicated from the world is –

    (a) Chickenpox

    (b) Smallpox

    (c) Leprosy

    (d) Poliomyelitis

    Option b – Smallpox

    Which of the following amphibians lacks a tongue?

    (a) Salamander

    (b) Necturus

    (c) Sphenodon

    (d) Ichthyophis

    Option d – Ichthyophis

    The life span of RBC in humans is –

    (a) 120 days

    (b) 150 days

    (c) 180 days

    (d) 190 days

    Option b – 150 days

    The vector of Kala-Azar is –

    (a) Sand fly

    (b) Tse-Tse fly

    (c) Culex mosquito

    (d) Anopheles mosquito

    Option a – Sand fly

    The largest organ of the human body is –

    (a) Liver

    (b) Heart

    (c) Brain

    (d) Kidney

    Option a – Liver

    The scientific study of teeth is called –

    (a) Cosmology

    (b) Ornithology

    (c) Odontology

    (d) Phenology

    Option c – Odontology

    The yellow color of cow’s milk is due to the presence of –

    (a) Riboflavin

    (b) Carotene

    (c) Ribulose

    (d) Xanthophyll

    Option b – Carotene

    Birds that swim in water have –

    (a) Long beaks

    (b) Toes with claws

    (c) Webbed feet

    (d) Broad wings

    Option c – Webbed feet

    Which of the following is NOT a stem modification?

    (a) Corm of Arvi

    (b) Tuber of potato

    (c) Bulb of onion

    (d) Tuber of sweet potato

    Option d – Tuber of sweet potato

    What does enamel cover?

    (a) Cementum

    (b) Crown of the teeth

    (c) Dentin on all sides

    (d) Cementum and partly dentin

    Option b – Crown of the teeth

    The trace metal present in insulin is –

    (a) Cobalt

    (b) Zinc

    (c) Iron

    (d) Manganese

    Option b – Zinc

    The newly hatched tadpole breathes through its –

    (a) Internal gills

    (b) External gills

    (c) Lungs

    (d) All of these

    Option b – External gills

    Green blocks are referred to –

    (a) Bio-bricks

    (b) Pro-biotic curd

    (c) Green cover

    (d) Green ministry

    Option a – Bio-bricks

    The concept of tissue culture was introduced by –

    (a) Hanning

    (b) Halfmeister

    (c) Haberland

    (d) Hanstein

    Option c – Haberland

    Blood cancer is commonly known as –

    (a) Haemophilia

    (b) Leucoderma

    (c) Leukaemia

    (d) Sickle-cell anaemia

    Option c – Leukaemia

    Coupling and repulsion are the two states of –

    (a) Chiasma

    (b) Linkage

    (c) Mutation

    (d) Crossing over

    Option b – Linkage

    Which organ of the body never rests?

    (a) Heart

    (b) Liver

    (c) Eyes

    (d) Pancreas

    Option a – Heart

    Fermentation is a process of decomposition of an organic compound by –

    (a) Enzymes

    (b) Free radicals

    (c) Carbanions

    (d) Catalysts

    Option a – Enzymes

    Rod-shaped bacteria are called –

    (a) Coma

    (b) Spirillum

    (c) Bacillus

    (d) Coccus

    Option c – Bacillus

    The age of trees is determined by its –

    (a) Height

    (b) Girth

    (c) Growth rings

    (d) General appearance

    Option c – Growth rings

    Which among the following elements increases the absorption of water and calcium in plants?

    (a) Copper

    (b) Boron

    (c) Manganese

    (d) Molybdenum

    Option b – Boron

    Lac, which is used as sealing wax, is produced by –

    (a) Root

    (b) Bird

    (c) Stem

    (d) Insect

    Option d – Insect

    Plasma membrane in eukaryotic cells is made up of –

    (a) Lipoprotein

    (b) Phospho-protein

    (c) Phospholipid

    (d) Phospholipo-protein

    Option c – Phospholipid

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