Question # 1

Tay-Sach's disease is because of absence of an enzyme, That is involved in catabolism of.

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Polysaccharides

Oligosaccharides

Lipids

Proteins

In hydra ectodermal cells get food from endodermal cells by.

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Osmosis

diffusion

Active transport

Facilitated diffusion

There are ...... known species of plants

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120000

227000

360000

412000

In the peroxisomes the glycolate is converted into

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Serine

Ethanolamine

Glycine

CO₂

The part of flower which develops into fruit is

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Flower

Seed

Ovule wall

Ovary

The valves present in the veins are

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Bicuspid

Semi lunar

Tricuspid

Aortic

The plant of sphenopsida is also called as.

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Angiosperms

Gymnosperm

Mosses

Arthrophytes

Transpiration takes place through cuticle is about.

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5-7%

6-7%

5-6%

3-5%

The amino acids are mainly different from each other due to the type and nature of.

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R-Group

Amino group

Carboxyl group

Peptide bond

According to Lock and key model , the activate is.

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Soft structure

Flexible structure

Rigid structure

Attractive structure

Guttation occurs in plants through.

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Cutitle

Hydathodes

stomata

Lenticels

The number of sets of microtubules originate from each pair of centriole is.

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03

04

05

06

Nissl's granules are group of.

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Mesosomes

Lysosomes

Ribosomes

chromosomes

Blood supplied to kidneys from each cardiac beat is.

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10%

20%

30%

50%

Towards the end of pregnancy, the reduction in progesterone level, stimulates pituitary gland to produce.

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Oxytocin

Oestrogen

Androgen

Pro lectin

The stage that lasts for days, weeks or event years

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Zygotene

Leptotene

Pachytene

Diplotene

Endocrine gland secrete

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Harmones

Salts

Enzymes

Mucous

The onset of epilepsyis usually before age of

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10 years

20 years

30 years

40 years

Which one is Tall grass

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Andropogon

Panicum

Both a & b

Stipa

C-Eton defined the Niche as the species.

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Behavior

Role

Address

Habitat

RNA and Protein called.

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Insulin

Tubulin

Actin

Myosin

Excretory structure present in cockroach are.

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Contractile vacuole

Malpighian tubules

Nephridia

Flame cells

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