Question # 1

The process that normally exerts the greatest control over the water balance of an individual is:

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Sweating

Kidney function

Evaporation through the skin

Respiratory loss

The joints that allows movement is several directions is called.

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Fibrous joint

synovial joint

Ball and socket joint

Hing joint

Young tissues retaining the potential to divide.

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Meristem

Xylem

Phloem

Cork

The shell, over chick egg is secreted as it passes through.

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Ovary

Oviduct

Uterus

Cloaca

The number of chromosomes in frog is

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52

26

13

7

Chiasmata formation take place duirng.

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Leptotene

diakinesis

Diplotene

Pachytene

During progeny luteotropic hormone LTH and placental lactogen stimulate Mammary development in preparation for.

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Gestation

Lactation

Miscarriage

After birth

The laptotene and zygotene lasts for.

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Few hours

Few days

Few weeks

Few years

The number of sets of microtubules originate from each pair of centriole is.

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03

04

05

06

All are related to medulla oblongata, except.

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Long term memory

Breathing rate

Blood pressure

Heart beat rate

Detection of changes and signaling for effector's response to control system is called.

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-ive feedback mechanism

transformation

feed back mechanism

Nephridial system

Neural plate is formed from

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Ectoderm

Endoderm

Mesoderm

Notochord

A condition in which palatine processes of maxilla and palatine fall to fuse is.

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Microcephaly

Cleft palate

Fused palate

Osteoarthritis

The whole of the world land is called.

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Lithosphere

Hydrosphere

Ecosphere

Biosphere

Bombay phenotype is an example of.

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Pleiotropy

Probability

dominance

epistasis

In grassland ecosystem annual rainfall is about 250 to

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350 mm

450 mm

650 mm

750 mm

The long day plant produce flowers in the presence of photochrome.

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P-660

P-770

P-730

P-600

Amphibians wriggle along the belly on the gound with the help of segmentally arranged

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Muscles

Scales

Skin patches

Both a & b

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