Biology MCQs

1. Which of the following is not present in animal cells?
[A] Cell walls
[B] Mitochondria
[C] Ribosomes
[D] Cytoplasm

Show Answer

2. Opium is obtained from the dry latex from which part of the Papaver somniferum Plant?
[A] Stem
[B] Leaves
[C] Poppy
[D] Stem joints

Show Answer

3. The plant hormone Auxin is basically a ___?
[A] Weak Organic Acid
[B] Weak Inorganic Acid
[C] Weak Organic base
[D] Gaseous compound of carbon

Show Answer

4. Corpus Callosum makes an important part of which among the following organs in Human body?
[A] Brain
[B] Liver
[C] Kidney
[D] Spinal Chord

Show Answer

5. The Bovine spongiform encephalopathy (BSE) is commonly known as _______?
[A] Foot & Mouth Disease
[B] Mad Cow Disease
[C] Fog fever
[D] Creutzfeldt-Jakob disease

Show Answer

6. Fruits ripen faster when kept in a / an __:
[A] rice container
[B] wheat container
[C] open container
[D] refrigerator

Show Answer

7. Duodenum, jejunum, and ileum are associated with which of the following?
[A] Small intestine
[B] Large intestine
[C] Hypothalamus
[D] Epididymis

Show Answer

8. What is the number of mitochondria present in a bacterial cell?
[A] Zero
[B] One
[C] Two
[D] Four

Show Answer

9. Which of the following cells are closely associated and interacting with guard cells?
[A] Transfusion tissue
[B] Complementary cells
[C] Subsidiary cells
[D] Hypodermal cells

Show Answer

10. Which among the following acts as a resistance against disease in the body? (UPSC Prelims 1982)
[A] Vitamins
[B] Carbohydrates
[C] Red Corpuscles
[D] White Corpuscles

Show Answer