Question # 1

The form of appearance of the trait is called.

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Genotype

Phenotype

Wild type

dominance

A willow 10 centimetres (4 inches) high may have a trunk 7 centimetres (3 inches) in diameter and be 50 years old in

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Taiga

Tundra

Desert

Savanna

The zoological name of leopard cat is.

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Fells domestica

Felis leo

Feilsbengalensis

Felisparodus

Which of the following statements conserning the role of Ca⁺² inthe contraction of skeletal muscle is correct?

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The mitochondria act as a store of Ca⁺²for the contractile process

Ca⁺²entry across the plasma membrane is important in sustaining the contraction of skeletal muscle

A rise in inter cellular Ca⁺²allows actin to interact with myosin

The tension of a skeletal muscle fiber is partly regulated by G proteins muscle

The structure in human brain which control hunger is

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Amygdala

Hippocampus

Hypothalamus

Thalamus

The light which promotes germination of fern spores.

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green

Yellow

Red

White

Using the hardin-weinberg principle, which expression represents the frequency of the homo-zygous recessive genotype?

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p²

2p

q²

q

Find secreted by Sertoli cells provides liquid medium, protection and nourishment to.

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Oocyte

Sperms

Polar body

Spermatids

Study of different communities with relation to environment is called.

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Synecology

Embryology

Autecology

Zoology

Resting membrane potential of a neuron is

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50 mv

-70 mv

-60 mv

-80 mv

A sequence of three nucleotides in mRNA is called.

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Cistron

Codon

Anticodon

Templet

Nissl's granules are group of.

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Mesosomes

Lysosomes

Ribosomes

chromosomes

Which of the following is macronutrient.

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Zinc

Iron

Sulphur

Iodine

What are the penotypes of the parent of a colour-blind son and non-carries daughter with normal colour vision?

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FATHER MOTHER

Carrier Normal

FATHER MOTHER

Colour blind Carrier

FATHER MOTHER

Normal Carrier

FATHER MOTHER

Normal Colour- blind

G₁ is time between the end of mitosis and initiation of DNA synthesis also called as

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Pre-DNA synthesis phase

DNA synthesis phase

Post-DNA synthesis phase

None of these

Bundle caps in sunflower stem, are formed by

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Sclerenchyma

Parenchyma

Mesenchyma

Collenchyma

The functions of oxytocin islare to ___________

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Cause the uterus to contract

Induce labor

Stimulate the release of milk from the mother's mammary glands when her baby is nursing

All of the above

Which is the most important mechanism for water loss from the body?

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Excretiong in urine

Sneezing

Sweating

Eleminatin in feces

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