8th Biology Question Paper. We covered all the 8th Biology Question Paper MCQs in this post for free so that you can practice well for the exam.
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8th Biology Objective Question Paper for Students
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 colorful part of the Sunflower or Marigold plant is:
(a) Flower
(b) Inflorescence
(c) Fruit
(d) Seed
Option b – Inflorescence
Tendons through which muscles are connected to bones are tightly compacted bundles of which one of the following long fibrous proteins?
(a) Fibrin
(b) Collagen
(c) Elastin
(d) Cellulose
Option b – Collagen
Dengue virus causes high fever, and rashes, and reduces the number of a particular type of blood cells. Those blood cells are:
(a) Monocytes
(b) Platelets
(c) Eosinophils
(d) Neutrophils
Option b – Platelets
Kidney secretes an enzyme, which changes the plasma protein angiotensinogen into angiotensin. The enzyme is:
(a) Renin
(b) Nitrogenase
(c) Hydrolase
(d) Mono-oxygenase
Option a – Renin
Red blood cells (RBCs) have:
(a) No nucleus, no mitochondria, and no endoplasmic reticulum
(b) Nucleus, mitochondria, and endoplasmic reticulum
(c) Nucleus, mitochondria but no endoplasmic reticulum
(d) No mitochondria but endoplasmic reticulum is present
Option a – No nucleus, no mitochondria, and no endoplasmic reticulum
Color vision in human eyes is the function of photoreceptor cells named:
(a) Rods
(b) Cones
(c) Blindspot
(d) Fovea
Option b – Cones
Which one of the following statements is NOT correct?
(a) All proteins are enzymes
(b) Most enzymes are proteins
(c) All fats are energy-rich compounds
(d) Glucose is a common carbohydrate
Option a – All proteins are enzymes
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