Biology MCQs

1. Maximum number of animals species belong to which among the following groups?
[A] Mammalia
[B] Aves
[C] Pisces
[D] Arthropoda

Show Answer

2. Chronic exposure to which among the following minerals/ salts in groundwater may cause Black-Foot Disease?
[A] Fluoride
[B] Nitrates
[C] Arsenic
[D] Lead

Show Answer

3. Skin works as a respiratory organ in which of the following Animals ?
[A] Cockroach
[B] Frog
[C] Whale
[D] Dog Fish

Show Answer

4. When the body’s immune system cells destroy the insulin producing beta cells of the pancreas is termed as ________?
[A] Type 1 diabetes
[B] Type 2 diabetes
[C] hybrid diabetes
[D] none of the above

Show Answer

5. Which among the following is the right location of foramen magnum ?
[A] In the Pectoral girdle
[B] Interior region of skull
[C] Posterior region of skull
[D] None of the above

Show Answer

6. Which component in light causes suppression of melatonin produced by the pineal gland?
[A] Red
[B] Blue
[C] Green
[D] Indigo

Show Answer

7. Which of the following fauna is used nowadays to monitor the Lead pollution in the city?
[A] Blue peafowl
[B] Pigeon
[C] Butterfly
[D] Forest owlet

Show Answer

8. ‘Dendrochronology’ is the study of the age of which of the following?
[A] Woody Plants
[B] Shrubs
[C] Fungi
[D] All of the above

Show Answer

9. Dehydration in human body is caused due to the deficiency of which of the following?
[A] Water
[B] Hormones
[C] Vitamin
[D] Salt

Show Answer

10. Which among the following is not a connective tissue?
[A] Blood
[B] Skin
[C] Cartilage
[D] Bone

Show Answer