Free Cell The Unit Of Life (Weekly Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which of the following is not true for a eukaryotic cell?

(a) Mitochondria contain circular DNA.

(b) It has an 80S type of ribosome present in the mitochondria.

(c) It has 80S type of ribosome present in the cytoplasm.

(d) Membrane-bound organelles are present.

Question-2

Microtubules, motor proteins, and actin filaments are all part of the

(a) cytoskeleton of eukaryotic cells.

(b) mechanism of photosynthesis that occurs in chloroplasts.

(c) rough ER in prokaryotic cells.

(d) process that moves small molecules across cell membranes.

Question-3

Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macromolecules is

(a) lysosome

(b) endoplasmic reticulum

(c) nucleosome

(d) phagosome.

Question-4

Which of the following statements regarding mitochondrial membrane is not correct ?

(a) The enzymes of the electron transfer chain are embedded in the outer membrane.

(b) The outer membrane resembles a sieve.

(c) The outer membrane is permeable to all kinds of molecules.

(d) The inner membrane is highly convoluted forming a series of infoldings.

Question-5

Which of the following organelles has single membrane?

(a) Nucleus

(b) Mitochondria

(c) Spherosomes

(d) Cell wall

Question-6

Which of these is wrongly matched?

(a) Elaioplasts – Starch

(b) Chloroplasts – Chlorophyll

(c) Chromoplasts – Carotenoids

(d) Amyloplasts – Carbohydrates

Question-7

The perinuclear space is about

(a) 5–10 nm

(b) 1–5 nm

(c) 10–50 nm

(d) > 100 nm

Question-8

The shorter and longer arms of a submetacentric chromosome are referred to as

(a) p-arm and q-arm respectively

(b) m-arm and n-arm respectively

(c) s-arm and l-arm respectively

(d) q-arm and p-arm respectively.

Question-9

Peptide synthesis inside a cell takes place in:

(a) chromoplast

(b) chloroplast

(c) mitochondria

(d) ribosomes

Question-10

How much is the size of viruses?

(a) 0.2-0.4 μm

(b) 0.02-0.2 μm

(c) 0.02-0.04 μm

(d) None