TG EAMCET (EAPCET) Botany Multiple Choice Questions (MCQs)

41. Which organelle is responsible for photosynthesis in plant cells?

1. A) Mitochondria
2. B) Ribosomes
3. C) Plastids
4. D) Golgi bodies

Answer: C) Plastids

42. The outermost covering of a prokaryotic cell is called:

1. A) Plasma membrane
2. B) Cell wall
3. C) Capsule
4. D) Cytoskeleton

Answer: C) Capsule

43. Which of the following is a double-membrane-bound organelle?

1. A) Ribosome
2. B) Golgi bodies
3. C) Mitochondria
4. D) Lysosome

Answer: C) Mitochondria

44. The structural and functional unit of life is:

1. A) Tissue
2. B) Organ
3. C) Cell
4. D) Organism

Answer: C) Cell

45. In the fluid mosaic model of the cell membrane, the bilayer is made of:

1. A) Proteins
2. B) Lipids
3. C) Polysaccharides
4. D) Nucleic acids

Answer: B) Lipids

46. Which stage of the cell cycle involves the replication of DNA?

1. A) G1 phase
2. B) S phase
3. C) G2 phase
4. D) M phase

Answer: B) S phase

47. What is the main function of lysosomes?

1. A) Protein synthesis
2. B) Cellular respiration
3. C) Intracellular digestion
4. D) Photosynthesis

Answer: C) Intracellular digestion

48. The protein factory of the cell is:

1. A) Mitochondria
2. B) Ribosomes
3. C) Golgi bodies
4. D) Nucleus

Answer: B) Ribosomes

49. Which bond links the monomers in proteins?

1. A) Glycosidic bond
2. B) Peptide bond
3. C) Hydrogen bond
4. D) Phosphodiester bond

Answer: B) Peptide bond

50. The spindle fibers required for cell division are formed by:

1. A) Centrosomes
2. B) Lysosomes
3. C) Ribosomes
4. D) Plastids

Answer: A) Centrosomes