Question # 1

Which one is an example of non vascular plants.

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Rhynia

Psilotum

Adiantum

Marchantis

Organelle found in both prokaryotic and eukaryotic cells.

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Ribosomes

Mitochondria

Chloroplasts

Lysosomes

Parenchymatous cells are specialized for.

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Support

Store food

Photosynthesis

Growth

When cocci occur in pairs, their arrangement.

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Tetrad

Diplococcus

Streptococci

Sarcina

A neurotic disorder in slightly older girls is

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Anorexia nervosa

?Dyspepsia

Bulimia Nervos

Obesity

Diatoms belong to phylum.

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Rholophyta

Phaeophyta

Chiysphyta

Pyrrophgyta

Palade was first person to study.

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Nucleus

Peroxisome

Ribosomes

Mitochondria

Which of the following is not extinct member.

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Horneophyton

Psilotum

Psilcophyton

Cooksonia

In 1997, scientists in Scotland succeeded cloning a.

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Sheep

Hours

Cow

Goat

When flagella surround the whole cell, the condition is called

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Peritrichous

Atrichous

Amphitrichous

None of above

The smallest known viruses are.

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Bacteriophage

pseudomonas

Polio

E -coli

Tube feet are locomotor organs of.

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Jelly fish

Cottle fish

Star fish

Silver fish

DNA changes are called mutations and the organisms that have undergone such changes are called

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Wild types

Changer

Mutants

Transmutants

The earth surface covered with water is

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35%

11%

21%

33%

In neurons the message is transmitted across synapse in the form of chemical messenger called.

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Nerve impulse

Synaptic vesicle

Neurotransmitters

Communlaction

The form of appearance of the trait is called.

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Genotype

Phenotype

Wild type

dominance

The hyphae of fungi are

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Phototactic

Chemotropic

Geotropic

Chemotactic

In tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 mm

The Planaria flatworm have simple tubular excretory system known as.

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Protonephridium

Mesonephridum

Prenephridium

Metanephridium

If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations:

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14 %

28 %

36 %

64 %

For evaporative cooling bats use

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Saliva

Urine

Sweat

All a,b,andc

In seminiferous tubules repeated division of the germinal epithelium produce

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Oogonia

Zoogonia

Ovogonia

Spermatogonia

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