NEET UG Botany MCQ-30

Question No:1

Rhizoids are absent in

(A) Pteridophytes
(B) Bryophytes
(C) only gymnosperms
(D) All spermatophytes

Question No:2

Microspores of the following plants are also called as pollen grains

(A) Pteridophytes
(B) Pteridophytes and gymnosperms
(C) only angiosperms
(D) Spermatophytes

Question No:3

Cup shaped chloroplast is seen in

(A) Ulothrix
(B) Spirogyra
(C) Chlamydomonas
(D) All the above

Question No:4

Pyrenoids store food as

(A) Glycogen
(B) Fats
(C) Oil globules
(D) Starch

Question No:5

Chlamydomonas shows

(A) Isogamy
(B) Anisogamy
(C) Oogamy
(D) All the above

Question No:6

Isogamy is a mode of sexual reproduction in which

(A) The fusing gametes are morphologically and functionally similar
(B) One of the two fusing gametes is comparatively smaller
(C) The gametes are similar in structure and size but different in behaviour
(D) The fusing gametes are dissimilar in all respects

Question No:7

Chloroplast of Spirogyra is

(A) Cup shaped
(B) Star shaped
(C) Ribbon shaped
(D) Lamellate

Question No:8

In addition to reproduction, zygospore also helps in

(A) Perennation
(B) Dispersal
(C) Genetic variability
(D) All the above

Question No:9

Spirogyra is usually found in

(A) Running fresh water
(B) Stagnant fresh water
(C) Stagnant marine water
(D) None of the above

Question No:10

Spirogyra is called as pond silk because

(A) Filaments are made up of silk
(B) Filaments are slippery to touch
(C) Both (a) and (b)
(D) None of the above

Question No:11

Spirogyra belongs to the class

(A) Rhodophyceae
(B) Cyanophyceae
(C) Xanthophyceae
(D) Chlorophyceae

Question No:12

Gametangia of algae differ from those of Funaria in being

(A) Unstalked
(B) All identical
(C) Non-jacketed and unicellular
(D) None of the above

Question No:13

All algae have these photosynthetic pigments in common

(A) Chlorophyll a and chlorophyll b
(B) Chlorophyll b and carotenes
(C) Chlorophyll a and carotenes
(D) Phycobilins and carotenes

Question No:14

Fusion between dissimilar gametes is

(A) Autogamy
(B) Isogamy
(C) Anisogamy
(D) Dichogamy

Question No:15

In brown algae, the motile structures have flagella inserted

(A) Anteriorly
(B) Laterally
(C) Posteriorly
(D) one anterior and one lateral

Question No:16

The most common mode of reproduction in Spirogyra is

(A) Conjugation
(B) Aplanospore formation
(C) Fragmentation
(D) Akinete formation

Question No:17

An edible Rhodophyte is

(A) Polysiphonia
(B) Batrachospermum
(C) Porphyra
(D) Corallina

Question No:18

Which one is connected with spore dispersal in Funaria

(A) Foot
(B) Annulus
(C) Seta
(D) Peristome

Question No:19

Which one is a kelp

(A) Batrachospermum
(B) Ulothrix
(C) Macrocystis
(D) Dictyota

Question No:20

Sporogonium of Funaria is dependent on gametophyte

(A) Fully
(B) For food
(C) For water and minerals
(D) None of the above