Question # 1

The earliest group of vascular plant is

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Psilopsida

Pteropsida

sphenopsida

Lycopsida

Spiracles are found in

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Fish

Cockroach

Leech

Earth worm

80% of total RNA is the cell comprises of.

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mRNA

tRNA

rRNA

RNA-DNA hybrid

A heterosporous plant is one that

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Produces a gametophyte that bears both sex organs

Produces megaspores and microspores in separaue sporangia, giving rise to separate male and female gametophyte

Is a seedless vascular plant

Produces two types of spores, one asexually by mitosis, and one type by meiosis

All fungal nuclei are haploid except for transient diploid.

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spores

Zygota

Conidia

Zygospores

Chimpanzee had the chromosomes

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48

46

36

12

The cell wall of fungus contains.

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Cellulose

Chitin

Calcium carbonate

None of these

Sweet pea belongs to which family.

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Fabaceae

Solanaceae

Rosaceae

Poaceae

Raspatory activity which occurs in plants during day time is called.

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Respiration

Transpiration

Photorespiration

Cutaneous respiration

Pasteur's main achievements are the development of vaccines for diseases

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Cholera, rabies only

Anthrax, rabies only

Anthrax, fowl cholera and rabies

None of the above

During exercise the breathing rate may rise to

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30 times per minute

20 times per minute

25 times per minute

35 times per minute

The period of life cycle of cell between two consecutive divisions is termed as.

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Resting phase

Inter phase

G1 phase

G2 Phase

Hypophosphatemia rickets is an X linked.

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Dominant trait

Over dominant trait

co dominant trait

Recessive trait

Intelligence is also a case of polygenic inheritance which is strongly influenced by

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Genes

Environment

Experience

Nature

Amino acid attachment site of tRNA is.

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G-end

2' -end

3'- end

5' -end

Euglena moves with the help of.

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Cillium

Pseudopodium

Flagellum

Myonemes

The hormone which inhibits root growth is.

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auxins

gibberellins

Absclsic acid

Cytokinins

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

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Oxytocin

Oestrogen

Androgen

Pro lectin

RNA polymerase II synthesize.

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mRNA

tRNA

rRNA

cDNA

Cancer occurs due to error in

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Binary fission

Budding

Mitosis

Meiosis

If the two generations are vegetatively similar such alternation of generation is referred to as

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Homomorphic

Isomorphic

Heteromorphic

Eumorphic

Blood supplied to kidneys from each cardiac beat is.

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10%

20%

30%

50%

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