Question

Q33. Which of the following cell organelles contain their own DNA and

ribosomes?
a. Plastids

b. Mitochondria

c. Both (a) and (b)

d. None of the above


Q34. What is the function of Golgi apparatus?

a. Packaging and modification of proteins.

b. Transportation of proteins and other molecules.

c. Formation of lysosomes.

d. All the above


Q35. Lysosomes are kind of waste disposal system of the cell. They help to keep

the cell clean by:

a. digesting any foreign material and worn-out cell organelles.

b. repairing the damaged organelles.

c. throwing the worn-out organelles out of the cell.

d. breaking the cell into simpler forms.


Q36. Plastids can be found in:

a. Plants

b. Animals

c. Prokaryotes
d. Both (a) and (b)

Q37. Inner membrane of mitochondria is deeply folded. Why?
a. Due to less space inside in the outer membrane.
b. Folds increase the surface area for ATP generation.
c. Inner membrane is more porous than outer membrane.
d. Folds help in synthesis of proteins.

Q38. Which of the following statements is not true?
a. Mitosis helps in growth and repair of tissues.
b. Meiosis results in formation of four daughter cells.
c. Mitosis results in formation of two daughter cells.
d. Daughter cells produced after meiosis have same number of chromosomes as that of parent cell.

Q39. Formation of gametes is a result of:
a. Mitosis
b. Meiosis
c. Fertilisation
d. Reproduction

Q40. Which of the following is not a characteristic of vacuoles?
a. Vacuoles are storage sacs for solid or liquid contents.
b. Vacuoles are present only in plant cells.
c. Vacuoles provide turgidity and rigidity to the cell.
d. Vacuoles also help in excretion in plants.​

Answer 1

Answer:

33) option c

34) option a

35) option a

36) option a

37) option d

38) option c

39) option b

40) option b

Hope it helps you