Cell Biology - Study Mode

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[#161] Match List-I (Organelle) with List-II (Common name) and select the correct answer: List-I List-II a. Ribosome 1. Suicidal bag of cells b. Lysosome 2. Protein factory cells c. Mitochondria 3. Controller of cell d. Nucleus 4. Power house of cell

(A) a-2, b-1, c-4, d-3

(B) a-1, b-4, c-3, d-2

(C) a-4, b-3, c-2, d-1

(D) a-3, b-2, c-1, d-4

Correct Answer

(A) a-2, b-1, c-4, d-3

[#162] The solenoidal model for the superstructure in chromatin was first proposed by

(A) Kihlman

(B) DuPraw

(C) Finch and Clug

(D) Freese and Taylor

Correct Answer

(C) Finch and Clug

[#163] Match List-I (Mitotic phases) with List-II (Actions) and select the correct answer: List-I List-II a. Prophase 1. The chromosomes are lined up in one place to form the equatorial plate b. Metaphase 2. Cell becomes spheroid and there is increase in viscosity and refractivity c. Anaphase 3. The two sets of chromosomes migrate towards the poles d. Telophase 4. Nuclear membrane and nucleolus reappear

(A) a-2, b-3, c-4, d-1

(B) a-2, b-1, c-4, d-3

(C) a-4, b-3, c-2, d-1

(D) a-2, b-1, c-3, d-4

Correct Answer

(D) a-2, b-1, c-3, d-4

[#164] Hyperplasia means

(A) abnormal increase in number of cells

(B) an increase in size of a cell

(C) excessive motility of muscle

(D) voracious eating

Correct Answer

(A) abnormal increase in number of cells

[#165] The interchange and fusion of broken ends between two homologous chromosomes is known as

(A) Linkage

(B) Crossing over

(C) Intermediate pairing

(D) Synapsis

Correct Answer

(B) Crossing over