NEET UG Botany MCQ-12

Question No:1

Circular DNA is found in

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

Question No:2

Pleuro-pneumonia like organisms are grouped under

(A) Prokaryotes
(B) Eukaryotes
(C) Fungi
(D) Viruses

Question No:3

Ray fungi are

(A) Actinomycetes
(B) Fungi
(C) Mycoplasma
(D) Archaebacteria

Question No:4

Which of the following is noncellular?

(A) Bacteria
(C) Diatoms
(D) Bacteriophage

Question No:5

Chlorophyll-a is absent in photosynthetic

(A) Bacteria
(B) Cyanobacteria
(C) Red algae
(D) None of these

Question No:6

Vegetatively the members of Cyanobacteria multiply by

(A) Fission
(B) Fragmentation
(C) Hormogonia
(D) All the above

Question No:7

The term Protista was introduced by German Biologist and Philosopher

(A) John Ray
(B) Robert Grant
(C) Ernst Haeckel
(D) Leuckart

Question No:8

The kingdom Protista includes

(A) Photosynthetic forms
(B) Decomposers
(C) Protozans
(D) all of these

Question No:9

Which type of organisms are found in kingdom Protista?

(A) Unicellular nucleated
(B) Multicellular, enucleated
(C) Eukaryotes
(D) a and c

Question No:10

Protistans resembling fungi are

(A) slime moulds
(B) simple algae
(C) simple animals
(D) all organisms not placed in other groups.

Question No:11

Whittaker’s system of classification implies that unicellular eukaryotes are primarily precursors of the

(A) plants
(B) fungi
(C) animals
(D) plants, fungi and animals

Question No:12

Locomotory organelles in the protista are

(A) Flagella
(B) Cilia
(C) Pseudopodia
(D) all of these

Question No:13

Kingdom protista includes

(A) life cycle showing zygotic meiosis
(B) life cycle showing game tic meiosis
(C) life cycle showing sporic meiosis
(D) both a and b

Question No:14

Protests which are diploid reproduce sexually by the process of

(A) zygotic meiosis
(B) cyst formation
(C) binary fission
(D) game tic meiosis

Question No:15

Which species of protests are known as the whirling whips because of the spin produced by two flagella beating in opposing grooves along their hard faced bodies?

(A) Diatoms
(B) Chrysophytes
(C) Dinoflagellates
(D) Golden-brown algae

Question No:16

Euglenoid species that have chlorophyll are

(A) obligate autotrophs
(B) facultative autotrophs
(C) facultative heterotrophs
(D) obligate heterotrophs

Question No:17

Diatoms are

(A) Euglenoids
(B) Chrysophytes
(C) Dinoflagellates
(D) Pyrrophytes

Question No:18

The fire algae responsible for red tides are the red dinoflagellates, which are

(A) Ceratium
(B) Gonyaulax
(C) Gymnodinium
(D) b and c

Question No:19

Most green euglenoids store their carbohydrates as

(A) starch
(B) glycogen
(C) cellulose
(D) paramylum

Question No:20

Which creatures are the direct or indirect food of all the creatures on the ocean’s surface?

(A) Protozoans
(B) Plankton
(C) Fish
(D) Aquatic insects