Biology Botany Online Mock Test AIIMS,JIPMER,Medical exam,NEET UG

NEET UG Botany MCQ-64

Question No:1

A compound leaf which appears as simple leaf due to suppression of one or two leaflets is found in one of the following plants

(A) Hardwickia
(B) Parkinsonia
(C) Coriandrum
(D) Citrus

Question No:2

Parts of two plants were observed. Structure A develops aerially and produces roots when comes in contact with the soil. Structure Bdevelops from underground part of the stem, grows obliquely, becomes aerial and produces roots on its lower surface. Identify, respectively the structures of A and B

(A) Sucker, stolon
(B) Stolon, runner
(C) Stolon, sucker
(D) Runner, stolon

Question No:3

Individuals obtained through asexual reproduction are

(A) Phenotypic ally similar
(B) Genotypic ally similar
(C) both Phenotypic ally and genotypic ally different
(D) both Phenotypic ally and genotypic ally similar

Question No:4

Uniparental reproduction is

(A) Sexual reproduction
(B) Vegetative reproduction
(C) Asexual reproduction
(D) (b) and (c)

Question No:5

Number of parents involved in asexual and sexual reproductions respectively

(A) 2,1
(B) 1, 2
(C) 2, 2
(D) 1, 1

Question No:6

Among the following asexual reproductive organs are
A) Zoospores
B) Gemmules in Sponge
C) Bulbil of Agave
D) Rhizome of ginger
E) Offset of water hyacinth

F) Leaf buds of Bryophyllum

(A) A, B, C, D only
(B) A, D, E, F only
(C) B D E, F only
(D) A, B, C, D, E, F

Question No:7

Which plant is generally called “terror of Bengal”

(A) Water lettuce
(B) Water hyacinth
(C) Hydrilla
(D) Vallisnana

Question No:8

True statement regarding sexual reproduction

(A) Off springs are not identical to the parents but identical among themselves.
(B) Off springs are identical to the parents but not identical among themselves
(C) Off springs are identical to the parents and identical among themselves
(D) Off springs are not identical to the parents or among themselves

Question No:9

The sequence events occurs during the entire lifespan of living organism

(A) Juvenile phase-Mature phase-Old age-Death
(B) Mature phase-Juvenile phase-Old age-Death
(C) Old age-Mature phase-Juvenile phase-Death
(D) Juvenile phase-old age – Mature phase – Death

Question No:10

The ploidy of endosperm in angiosperms is

(A) n
(B) 2n
(C) 3n
(D) 4n

Question No:11

Find out the incorrect match

(A) Isogamets – Cladophora
(B) Heterogamets – Fucus
(C) Isogametes – Homo sapiens
(D) Heterogametes – Funaria

Question No:12

Find out the incorrect match

A) Bisexual animal – Earth worm
B) Unisexual animal – Cockroach
C) Monoecious plant – Chara
D) Dioecious plant – Marchantla

E) Biseual flower – Sweet potato

(A) A B C only
(B) B, C, E only
(C) A, B, C, D only
(D) A, B, C, D, E

Question No:13

Find out the number of chromosomes present in meiocytes of Dog, Rat, Rice and Potato respectively

(A) 78,36,24,24
(B) 78,42,48,24
(C) 78,42,24,48
(D) 34,48,24,78

Question No:14

Chromosome number in meiocyte of ‘A’ plant, chromosome number in gamete of ‘B’ plant are found in 1 : 2 ration find out the A, B plants

(A) A – Potato, B – Rice
(B) A – Rice, B – Potato
(C) A – Maize, B – Rice
(D) A – Apple, B – Onion

Question No:15

Find out the correct sequence of organisms represents increasing order of chromosomes found in their respective meiocytes

(A) Maize —> Frutifly —> Rice —> Apple
(B) Frutifly —> Housefly —> Maize —> Rice
(C) Potato Apple —> Dog —> Cat
(D) House fly —> Apple —>Onlion —> Dog

Question No:16

The development of new organisms from female gametes without fertilization is

(A) Parthnocarpy
(B) Syngamy
(C) Triple fusion
(D) Parthenogenesis

Question No:17

Find out the mismatch

(A) Internal fertilization – Bryophytes, Pteridophytes
(B) External fertilization – Amphibians, Fishes
(C) Internal fertilization – Gymnosperms, Angiosperms
(D) External fertilization-Mammals, Reptiles, Birds

Question No:18

Identify ploidy of following parts of a flowering plant respectively Ovary, Anther, Egg, Pollen, Male gamete, Zygote x

(A) 2n, 2n, n, n, n, 2n
(B) 2n, n, 2n, 2n, n,2n
(C) n, 2n, 2n, n, 2n, n
(D) 2n, 2n, n, n, n, n

Question No:19

Find out the mismatch
Part of flower————- Post fertilized form

(A) Ovary- Fruit
(B) Ovules- Seeds
(C) Integuments- Seed coat
(D) Zygote- Endosperm

Question No:20

Find out the incorrect statement

(A) Embryonal protection and care are better in viviparous organisms
(B) The process of development of zygote from embryo is called embryogenesis.
(C) Syngamy may occur either externally or internally
(D) Syngamy leads to the formation of a specialized celled “gamete”