NEET UG Botany MCQ-95

Question No:1

Which of the following is a single membranous structure

(A) Lysosome
(B) Nucleus
(C) Mitochondria
(D) Chloroplast

Question No:2

(A) : Power house of cell is mitochondria

(R) : ATP is produced in mitochondria

(A) A and R are true and R is the correct explanation of A.
(B) A and R are true and R is not the correct explanation of A.
(C) A is true, R is false
(D) A is false, R is true

Question No:3

(A) : Cell wall is not found in animal cell
(R) : Animal cells are covered by cell membrane

(A) A and R are true and R is the correct explanation of A
(B) A and R are true and R is not the correct explanation of A
(C) A is true, R is false
(D) A is false, R is true

Question No:4

Rough E.R differes from smooth E.R due to the presence of

(A) DNA
(B) Nucleus
(C) Ribosomes
(D) Enzyme.

Question No:5

Chromosomes with equal arms are called

(A) Metacentric
(B) Telocentric
(C) Acentric
(D) Polycentric

Question No:6

Glycolysis occur in

(A) Mitochondria
(B) Chloroplast
(C) Parenchyma
(D) Sieve tube cells

Question No:7

Which of the following is enucleate at maturity

(A) Companion cell
(B) Meristematic cell
(C) Parenchyma
(D) Sieve tube cell

Question No:8

Electron microscope was invented by

(A) Robert Hooke
(B) Knoll and Ruska
(C) Pasteur
(D) Schwann and Schleiden

Question No:9

Cell wall is absent in

(A) Amoeba
(B) Chara
(C) Yeast
(D) E.coli

Question No:10

Double membrane structure of cell are

(A) Nucleus
(B) Chloroplast
(C) Mitochondria
(D) all of these

Question No:11

Hydrolytic enzymes are found in

(A) Peroxisomes
(B) Lysosomes
(C) Lepdosome
(D) Lomasome.

Question No:12

Which one of the following does not differ in E.coli and Chlamydomonas?

(A) Ribosomes
(B) Chromosomal organization
(C) Cell wall
(D) Cell membrane

Question No:13

What is true about ribosomes?

(A) The prokaryotic ribosomes are SOS, where “S” stands for sedimentation coefficient
(B) These are composed of ribonucleic acid and proteins
(C) These are found only in eukaryotic cells
(D) These are self-splicing introns of some RNAs

Question No:14

Nuclear membrane is absent in

(A) Penicillium
(B) Agaricus
(C) Volvox
(D) Nostoc

Question No:15

Select the correct statement from the following regarding cell membrane.

(A) Na+ and K+ ions move across cell membrane by passive transport
(B) Proteins make up 60 to 70% of the cell membrane.
(C) Lipids are arranged in a bilayer with polar heads towards the inner part.
(D) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson.

Question No:16

Important site for formation of glycoprotein and glycolipids is

(A) Golgi apparatus
(B) Plastid
(C) Lysosome
(D) Vacuole

Question No:17

Peptide synthesis inside a cell takes place in

(A) Mitochondria
(B) Chromoplast
(C) Ribosomes
(D) Chloroplast

Question No:18

Which one of the following structures between two adjacent cells is an effective transport pathway?

(A) Plasmodesmata
(B) Plastoquinones
(C) Endoplasmic reticulum
(D) Plasma lemma

Question No:19

Single celled eukaryotes are included in

(A) Protista
(B) Fungi
(C) Archaea
(D) Monera

Question No:20

Which one of the following has its own DNA?

(A) Mitochondria
(B) Dictyosome
(C) Lysosome
(D) Peroxisome