Question # 1

The Sclerenchyma has thick secondary walls usually impregnated with.

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Chitin

Pectin

sillica

Lignin

Cytokinins delay the aging of fresh leaf crops such as cabbage and lettuce as well as keeping flowers

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Attached

Fresh

Delayed

Open

Which of the following is the last structure that urine passes through duration its excretion from the body?

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Distal Tubule

Urethra

Urinary bladder

Ureter

Cortisol brings about an increase in blood glucose level mainly by its production from protein and by

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Insulin

Glucagons

Oestrogen

Progesterone

In terrestrial plants major mechanical stress is imposed by.

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Gravity

Temperature

Wind

Soil

In myelinated neurons the impulse jumps from node to node (node of Ranvier) This is called

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Myelinated impulse

Jumping impulse

Saltatory impulse

None of these

Nociceptors produce sensation of

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Touch

Pain

Warmth

Pressure

Alpha cells of pancreas secrete

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Insulin

Glucagon

Secretin

Pancreatic juice

The plantigrade animals used to walk on their

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Digits

Tips of toes

soles

Belly

Rodents respond to alarm call by other in their group is an example of behaviour termed as

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Imprinting

Habitation

Insight learning

Latent learning

The onset of epilepsyis usually before age of

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10 years

20 years

30 years

40 years

Selective weed killer

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2-4 D

I AA

NAA

IPA

The form of learning which involve a diminish of response to repeated stimuli

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Imprinting

Habituation

Insight learning

Large learning

___ are indole acetic acid or its variants.

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auxins

Gibberellins

Cytokinine

Ethene

The joints that allows movement is several directions is called.

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Fibrous joint

synovial joint

Ball and socket joint

Hing joint

A nerve is

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Collection of neurons

Bandle of axons or dendrites

Connection of dendrites

Bundle of exon of dendrites bounded by connection

The hormone which inhibits root growth is.

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auxins

gibberellins

Absclsic acid

Cytokinins

In living thing, the behavior activities occurs at regulars intervals which are called.

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diumal rhythms

Blorhythms

Circannual

Orcadian

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