Question # 1

Promotes closing of stomata under conditions water stress.

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Etthene

Abscisic acid

Cytokinnins

Gibberellins

From beginning of the third month of pregnancy's, the human embryo is referred to as the.

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Foetus

Neonate

Placenta

Young one

Flagella may have arisen through the ingestion of prokaryotes similar to spiral shaped bacteria called.

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E. Coli

Streptococcus

spirochete

Rhizobium

The stage in which Lichens are just like crumpled leaves attached to one point.

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Moss stage

Crustose Lichen stage

Follage Lichen stage

Shrub stage

Microscopic gap between the two neurons is called as

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Synapsis

Collapse

Preapse

Axons

Tobacco plant produces flowers in.

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Spring

Summer

Autumn

Winter

The loss of water due to ex osmosis from plant cells causes plant to.

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Turgid

Wilt

Rupfure

Seell

RNA and Protein called.

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Insulin

Tubulin

Actin

Myosin

Which one of the following pairs represents analogous features?

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Elephant tusks & Human incisors

Insects wings & bat wings

Mammal fore limb & bird wing

Reptilian heart & mammalism heart

Bipedal locomotion freed the front appendages which become adapted for

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Prey capture

Flight

Both a & b

None of these

Human lungs are spongy due to the presence of million of:

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Bronchi

Alveoli

Bronchioles

Trachea

Hag fishes are

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Osmoregulators

Isotonic

Hypertonic

Hypotonic

Post mitotic cells can exist the cell cycle during.

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G1 Phase

G0 phase

G3 phase

S phase

The hormone which inhibits root growth is.

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auxins

gibberellins

Absclsic acid

Cytokinins

Morphological characteristics of chromosome are collectively called.

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Holotype

Karyokinesis

Karyotype

Neotype

Intercalary meristems are situated at.

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Root apex

Shoot apex

Base of internode

Top of internode

Among the birds Drawin collected 13 types of

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Finshes

Robins

Ferrets

Pterodactyls

A localized group of individuals belonging to the same species is called as.

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Community

Population

Ecosystem

Bio sphere

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Biology Fsc Part 2 Online Test MCQs With Answers

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