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

NEET UG Botany MCQ-54

Question No:1

Epicalyx is

(A) additional whorl of calyx
(B) involucre
(C) whorl of bracts
(D) a whorl of bracteoles

Question No:2

Largest petal in papilionaceous corolla is called is

(A) alae
(B) vexillum
(C) keel
(D) none of these

Question No:3

Ascending imbricate aestivation is characteristic of

(A) caesalpiniaceae
(B) papilionaceae
(C) compositae
(D) cucurbitaceae

Question No:4

Sepals or petals meeting by edges without any overlapping, constitute aestivation

(A) valvate
(B) quincuncial
(C) twisted
(D) imbricate

Question No:5

Which can be considered equivalent to perianth?

(A) glume
(B) superior palaea
(C) inferior palaea
(D) lodicules

Question No:6

A flower which can be divided into equal vertical halves by more than one plane of division is

(A) actinomorphic
(B) zygomorphic
(C) heteromorphic
(D) cyclic

Question No:7

Pappus is modified

(A) calyx
(B) corolla
(C) bracts
(D) gynoecium

Question No:8

Beauty of Bougainvillea flower is because of

(A) petals
(B) calyx
(C) bracts
(D) sepals

Question No:9

Placentation of pea flower is

(A) parietal
(B) marginal
(C) axile
(D) superficial

Question No:10

Replum is present in the ovary of flower of

(A) sun flower
(B) pea
(C) lemon
(D) mustard

Question No:11

An example of axile placentation is

(A) Dianthus
(B) lemon
(C) marigold
(D) Argemone

Question No:12

Feathery stigma is present in

(A) grass
(B) pea
(C) Caesalpinia
(D) Datura

Question No:13

If both the anthers and filaments are fused together to form a compact structure with sigmoid appearance the condition is termed as

(A) syngenesious
(B) androecious
(C) syngynandrous
(D) synandrous

Question No:14

If the anthers are fused together forming a tubular structure, while the filaments remain free, the condition is found in which one of the following family?

(A) Malvaceae
(B) Cucurbitacea
(C) Solanaceae
(D) Asteraceae

Question No:15

When placenta forms a ridge along the ventralsuture of the ovary and ovules are borne on this ridge forming two rows, the type of placentation is termed as

(A) marginal
(B) axile
(C) parietal
(D) free central

Question No:16

Gynoecium with fused carpels is called

(A) syncarpous
(B) apocarpous
(C) syngenesious
(D) none of these

Question No:17

Diadelphous condition is found in

(A) Althaea
(B) Bombax
(C) Cucurbita
(D) Pisum

Question No:18

A plant has an androecium with mono-adelphous stamens, monothecous and dorsifixed anthers. The gynoecium is syncarpous with pentalocular ovary. The plant could be

(A) Nerium
(B) Hibiscus
(C) Rauwolfia
(D) Vinca

Question No:19

The type of placentation in which ovary is syncarpus unilocular and ovules on sutures is called

(A) marginal placentation
(B) axile placentation
(C) parietal placentation
(D) superficial placentation

Question No:20

‘Gynobasic’ style is found in

(A) lamiaceae
(B) poaceae
(C) liliaceae
(D) compositae