Question # 1

Clearance of vast areas of forest for lumber planting subsistence crops or grazing cattle is called as

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Deforestation

A-forestation

Forestation

Both a & b

A probe is a single stranded nucleotide sequence that will hybridize in to certain piece of.

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Amino acids

DNA

Carbohydrate

RNA

Tetany is disease caused by.

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Low calcium in blood

Low sugar blood

Low Vit. d in blood

High calcium in blood

Primary growth in plants is caused by.

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Apical meristem

Intercalary meristem

Lateral meristem

Rib meristem

Oxytocin is secreted by the endocrine gland named:

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Pituitary gland

Thyroid gland

Parathyroid gland

Adrenal gland

Fruit development without fertilization is

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Dormancy

Climacteric

Parthenocarpy

Parthenogenesis

Euglena is able to change its direction by the active contraction of.

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Undulating membrane

Myonemes

Cilium

Flagella

The term niche was first proposedly joseph Grinnell an American.

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Embryologist

Ecologist

Ornithologist

Physiologist

In aquatic ecosystem , near shore zone is called.

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Limnetic zone

Littoral zone

Profundal zone

Benthic zone

A clear picture of the genetic basis of sex determination emerged after the discovery of

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Autosomes

X chromosomes

Sex chromosomes

Y chromosomes

Microtubule are composed of

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Myosin

Troponin

Actin

Tubulin

The excretory product that requires maximum water for its removal is.

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Ammonia

Creatinine

Urea

Uric acid

Primary succession may start in a dry soil or rock is called.

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Hydrosere

Xerosere

Derosere

Desert

The series of changes which involve period of growths replication of DNA followed ny cell division may be named as

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DNA cycle

Nuclear cycle

Cell cycle

Chemical cycle

The macronutrient in biogeochemical cycle is.

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Iron

Iodine

Zinc

Calcium

Clear cytoplasm produces

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Larval epidermis

Muscle cells

Gut

Neural tube

Cardiac muscles are muscles of the

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Liver

Stomach

Kidney

Heart

Which of the following hormones is not released by the anterior pituitary?

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Melanocyte - releasing hormone

Gonadotropin-releasing harmone

Thyroid- stimulating hormone

Growth hormone

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