Question # 1

Cocklebur (Xanthium),chrysanthemum,soyabean,tobacco,strawberry are examples of

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Short day plants

Long day plants

Day-neutral plants

None of these

Human appendix, coccyx and nictiating membrane of the eye are:

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Vestigical organs

Homologous organs

Analogous organs

Embroyonic organs

The disorder in which bones are porous and thin but bone composition normal is:

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Osteomalacia

Osteoporosis

Rickets

Arthritis

The sclerenchyma cells found in seed coats and nut shells are the

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Fibres

Vessels

Tracheids

scleriedes

The arctic tundra stretches acroos Northern North America, Northern Europe and.

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cyprus

Siberia

Morocco

Nepal

How many base pairs are found in the human gamine.

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Three billion

thirty billion

Five billion

Forty billion

Cancer is caused mainly by mutation in.

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somatic cells

Sex cells

Malignant cells

Reproductive cells

How many types of finches did Darwin collect on Galapagos Island.

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13 types

20 types

25 types

30 types

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

Osteomalacia includes a number of disorders in which bones receive inadequate

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Water

Oxygen

Mineral

Blood

Gonorrhea is caused by.

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Treponemapallidum

Neisseria gonnorrhoeae

HCV

HIV

In plants which light enhances cell division.

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Infra red

Blue

Red

green

A general formula called the hard-Weinberg equation is used for calculating the frequencies of alleles and genotypes in populations at

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Equilibrium

Balance

Stability

Poise

Haploid males produce sperms by mitosis.

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Hydra

Man

Earth worm

Honey bee

Opening of flower bud follows.

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Photonasty

Hyponasty

Epinasty

Haptonasty

A pair of kidneys consists of millons of functional units called

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Nephrons

Neurons

Dendrons

Flatirons

Synapsis occurs duiring.

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Pachytene

Leptotene

Zygotene

Diplotene

Oxytocin is secreted by the endocrine gland named:

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Pituitary gland

Thyroid gland

Parathyroid gland

Adrenal gland

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