Class 7th Science Chapter 1 MCQ. We covered all the Class 7th Science Chapter 1 MCQ in this post for free so that you can practice well for the exam.
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MCQ on General Science for Class 7 Students
Which one of the following vitamins has a role in blood clotting?
(a) Vitamin A
(b) Vitamin B
(c) Vitamin D
(d) Vitamin K
Option d – Vitamin K
Which one of the following is considered as ‘good cholesterol’ with reference to individuals facing the risk of cardiovascular diseases and hypertension?
(a) High-Density Lipoprotein (HDL)
(b) Low-Density Lipoprotein (LDL)
(c) Triglyceride
(d) Fatty acids
Option b – Low-Density Lipoprotein (LDL)
Which one of the following vitamins is abundant in guava fruits?
(a) Vitamin-A
(b) Vitamin-B12
(c) Vitamin-C
(d) Vitamin-D
Option c – Vitamin-C
The primary source of vitamin D for human beings is
(a) citrus fruits
(b) green vegetables
(c) yeast
(d) sun
Option d – sun
The vitamin(s), which is/are generally excreted in the urine, is/are
(a) vitamin-A
(b) vitamin-B
(c) vitamin-E
(d) vitamin D, and K
Option b – vitamin-B
Cattle are capable of digesting cellulose present in the grass and/or fodder that they eat. This ability is attributed to the
(a) presence of cellulose-degrading bacteria in the rumen
(b) production of cellulose by the cattle rumen
(c) acids present in the rumen
(d) prolonged retention of cellulose in the rumen
Option a – presence of cellulose-degrading bacteria in the rumen
If pepsin is lacking in gastric juice, then the event in the stomach will be affected :
(a) Digestion of starch into sugars
(b) Proteins break down into peptides
(c) Breaking of fats into glycerol and fatty acids
(d) Digestion of nucleic acids
Option b – Proteins break down into peptides
This part of the alimentary canal absorbs the maximum amount of water and minerals :
(a) Small intestine
(b) Large intestine
(c) Stomach
(d) Oesophagus
Option b – Large intestine
The pancreas is composed of
(a) Only exocrine cells
(b) Only endocrine cells
(c) Both endocrine and exocrine
(d) Nephrons
Option c – Both endocrine and exocrine
Which of the following is a source of instant energy?
(a) Salt
(b) Glucose
(c) Water
(d) Starch
Option b – Glucose
If by an unknown accident, the acid-secreting cells of the stomach wall of an individual are damaged, digestion of which one of the following biomolecules will be affected to a greater extent?
(a) Protein only
(b) Lipid
(c) Carbohydrate only
(d) Protein and Carbohydrate
Option a – Protein only
Intake of which one of the following food components should be minimized by patients having Gouty Arthritis due to elevated serum uric acid levels?
(a) Food fibers
(b) Nucleic acid
(c) Lipids
(d) Carbohydrates
Option b – Nucleic acid
Sugarcane is one of the important cash crops in India. It is grown to obtain
(a) Starch
(b) Glucose
(c) Fructose
(d) Sucrose
Option d – Sucrose
The term ‘Probiotic’ is applied to
(b) Antacids
(c) Antibiotics
(d) Live microbial food supplement
Option d – Live microbial food supplement
Which one of the following chemicals helps in fruit ripening?
(a) Ethephon
(b) Atrazine
(c) Isoproturan
(d) Malathion
Option a – Ethephon
When soggy biscuits are kept inside the fridge for some time they become crisp because
(a) cooling releases extra moisture
(b) humidity inside the fridge is low and extra moisture is absorbed
(c) humidity inside the fridge is high and extra moisture is absorbed
(d) the pressure inside the fridge is high and helps in releasing extra moisture
Option b – humidity inside the fridge is low and extra moisture is absorbed
Food becomes ………… due to bile juice.
(a) Acidic
(b) Alkaline
(c) Neutral
(d) First neutral and then acidic
Option c – Alkaline
Which of the following vitamins is used as an antidote to anticoagulant poisons?
(a) Vitamin A
(b) Vitamin D
(c) Vitamin E
(d) Vitamin K
Option d – Vitamin K
The process in which the food is taken in by body cells and used for energy, growth, and repair is called
(a) Assimilation
(b) Absorption
(c) Digestion
(d) Ingestion
Option a – Assimilation
Which of the following Vitamin is known as ergocalciferol?
(a) Vitamin D2
(b) Vitamin D3
(c) Vitamin B12
(d) Vitamin B6
(e) None of the above / More than one above
Option a – Vitamin D2
Dietary intake of ‘Iodine’ is essential for the normal functioning of the thyroid gland. Which among the following is considered to the naturally rich in iodine? 1. Table salt 2. Seafood 3. Dairy products
(a) Only 1
(b) 1 and 2
(c) 1 and 3
(d) 1, 2 and 3
Option d – 1, 2 and 3
Insulin is
(a) Fat
(b) Vitamin
(c) Carbohydrate
(d) Protein
Option d – Protein
In the human body, Vitamin A is stored in
(a) the Liver
(b) the Skin
(c) the Lung
(d) the Kidney
Option a – the Liver
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