Cell Biology MCQ question and answer with solution

41

The DNA molecules identified within mitochondria are

A) Circular in shape B) Linear in shape C) Hexagonal in shape D) Irregular in shape

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

42

The enzymes of Krebs' cycle are present in the mitochondrial

A) matrix B) cristae C) inner membrane D) outer membrane

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

43

Consider the following statements regarding microtubules and choose the correct answer:
1. The wall of a microtubule is made of 13 longitudinal filaments, each a polymer chain of tubulin
2. Microtubules help in the maintenance of cell form, cell mobility and movement of chromosomes
3. Microtubules occur only in bundles in the cytoplasm

A) 1 and 2 are correct B) 1 and 3 are correct C) 2 and 3 are correct D) 1, 2 and 3 are correct

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

44

Which one of the following cell organelles does not possess nucleic acid?

A) Nucleolus B) Chloroplast C) Ribosome D) Plasma membrane

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

45

Which one of the following is also called the 'power plants' of the cell?

A) Golgi body B) Mitochondria C) Ribosome D) Lysosome

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

46

Mammoth is the ancestor of

A) Dog B) Horse C) Camel D) Elephant

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

47

Nuclear membranes appear to have electron transport systems similar to those of the

A) Mitochondrium B) Chloroplast C) Endoplasmic reticulum D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

48

The Golgi bodies very common in the secretory cells are originated from

A) endoplasmic reticulum B) chloroplast C) mitochondria D) lysosome

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

49

According to recent proof, the life on earth emerged approximately

A) Before 20,000 years B) Before 2,00,000 years C) Before 20,00,000 years D) Before 2,000,000,000 years

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

50

Which one among the following statements is correct?

A) Prokaryotic cells possess nucleus B) Cell membrane is present both in plant and animal cells C) Mitochondria and chromoplasts are not found in eukaryotic cells D) Ribosomes are present in eukaryotic cell only

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Cell Biology MCQ question and answer with solution | Biology Gk MCQs