Biology Botany Online MCQ Test NEET UG Medical/Dental,Aiims,Jipmer

NEET UG Botany MCQ-89

Question No:1

Plastids were first reported by

(A) Schimper
(B) Sachs
(C) Leeuwenhoek
(D) Benda

Question No:2

Plastids found in roots of Taeniophyllum are

(A) Chromoplasts
(B) Chloroplasts
(C) Leucoplasts
(D) (b) & (c)

Question No:3

Which of the following, is described as cell within the cell or prokaryotic cell within a eukaryotic cell?

(A) Nucleus
(B) Ribosome
(C) Mitochondria
(D) Endoplasmic Reticulum

Question No:4

Mitochondria were first discovered by

(A) Altmann
(B) Kolliker
(C) Benda
(D) Schimper

Question No:5

In mitochondria, electron transport occurs in the

(A) Cristae
(B) Matrix
(C) Ribosome
(D) All the above

Question No:6

More mitochondria would be found in

(A) Meristematic cells
(B) Epidermis
(C) Companion cells
(D) Xylem parenchyma

Question No:7

Repository of cell is

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

Question No:8

The pigment found in vacuole that imparts blue, red or violet colours is

(A) Carotene
(B) Anthocyanin
(C) Xanthophyll
(D) Phycobilins

Question No:9

Suicidal bags of a cell were discovered by

(A) De Duve
(B) Fontana
(C) Palade
(D) Golgi

Question No:10

Digestion of foreign particles within the cell by lysosomes is called

(A) Autolysis
(B) Autophagy
(C) Phagocytosis
(D) Heterophagy

Question No:11

What is untrue about lysosomes!

(A) Polymorphic organelle
(B) Bring about autolysis
(C) Carry out intracellular digestion
(D) Formation of cell plate

Question No:12

The cell organelle that reduces the number of other cell organelles is

(A) Mitochondrion
(B) Elaioplast
(C) Lysosome
(D) Golgi complex

Question No:13

Conversion of fats into carbohydrates is a part of

(A) HMP pathway
(B) Glyoxylate cycle
(C) EMP pathway
(D) TCA cycle

Question No:14

In the leaves of C3 plants, peroxisomes are involved in a process called

(A) Respiration
(B) C3 cycle
(C) C2 cycle
(D) C4 cycle

Question No:15

Biogenesis of the organelles concerned with translation of genetic message occurs in

(A) Nucleolus
(B) Nucleosome
(C) Rough Endoplasmic Reticulum
(D) Ribsomes

Question No:16

The term chromosome was coined by

(A) Meischer
(B) Hofmeister
(C) Flemming
(D) Waldeyer

Question No:17

Heterochromatin differs from euchromatin in

(A) Chemical nature
(B) Degree of staining
(C) Activeness of genes
(D) (b) and (c)

Question No:18

The term “nucleolar organizer” refers to

(A) Organizing site of nucleolus in a specific chromosome
(B) Karyosome
(C) Chromatin reticulum
(D) Genetically active chromatin

Question No:19

Nucleus is often described as “cell brain” because

(A) It is located in the centre of the cell
(B) It is shaped like that of brain
(C) It controls and coordinates various metabolic activities
(D) It can divide and give rise to new nuclei

Question No:20

Differential stainability of a chromosome is called

(A) Heiroglyphics
(B) Heteropycnosis
(C) Heterosis
(D) Idiogram