NEET UG Botany MCQ-84

Question No:1

The first electron microscope was designed by

(A) Janssen and Hans
(B) Robert Hooke
(C) Knoll & Ruska
(D) Schleiden and Schwann

Question No:2

Compound microscope was discovered by

(A) Zacharias Janssen
(B) Robert Hooke
(C) Leeuwenhoek
(D) Dujardin

Question No:3

Cell was first discovered by

(A) Robert Hooke
(B) Leeuwenhoek
(C) Dujardin
(D) Janssen

Question No:4

Robert hooke wrote a book entitled

(A) Enquiry into plants
(B) Micrographia
(C) Historia Plantarum
(D) Cell

Question No:5

Bacteria were first discovered by

(A) Robert Hooke
(B) Janssen
(C) Leeuwenhoek
(D) Robert Brown

Question No:6

Amembranous cell-organelles in animal cells are

(A) Ribosomes, vacuole
(B) Ribosomes and lysosomes
(C) Ribosomes and centromere
(D) Centrosome and Ribosomes

Question No:7

Prokaryotic cell differs with eukaryotic cell in not having

(A) Nuclear membrane
(B) Mitochondria
(C) Plastids
(D) All

Question No:8

Cell theory is not applicable to

(A) Viruses
(B) Viroids
(C) Prions
(D) all the above

Question No:9

Similar characater between prokaryotic cells and eukaryotic cells is

(A) Cell wall composition
(B) Presence of slime layer.
(C) Composition of plasma membrane
(D) Nature of nucleus

Question No:10

Common cell wall material in primary wall, secondary wall and middle lamellum is

(A) Cellulose
(B) Suberin
(C) Pectin
(D) Lignin

Question No:11

The framework of secondary cell walls is made up of

(A) Cellulose
(B) Pectin
(C) Lignin
(D) Suberin

Question No:12

Living structures passing through the cell wall at the region of primary pit fields are called as

(A) Plasma membrane
(B) Microtubules
(C) Cytoskeleton
(D) Plasmodesmata

Question No:13

Only primary cell wall is present in the cells of

(A) Transfer cells
(B) Xylem fibres
(C) Meristematic cells
(D) Sclereids

Question No:14

Secondary cell wall is present between

(A) Primary cell wall and middle lamellum
(B) Plasmamembrane and primary cell wall.
(C) Meristematic cells
(D) Tertiary wall and plasmamembrane

Question No:15

Which of the following is a function of cell wall?

(A) Absorption
(B) Secretion
(C) Protection
(D) All

Question No:16

The thickness of plasma membrane is

(A) 6.5nm
(B) 75nm
(C) 7.5nm
(D) 65nm

Question No:17

The component of cytoplasm with 7-10% is

(A) Protein
(B) Lipid
(C) Carbohydrates
(D) Oil

Question No:18

Amount of lipids in cytoplasm is

(A) 1-2%
(B) 2-3%
(C) 3-4%
(D) 7-10%

Question No:19

Proplastids form

(A) Leucoplasts
(B) Chromoplasts
(C) Chloroplasts
(D) All

Question No:20

This pigment is abundantly present in blue-green algae

(A) Phycocyanin
(B) Phycoerythrin
(C) Fucoxanthin
(D) Mixoxanthin