Question # 1

The individuals have additional sex chromosome in

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Klinefelter's syndrome

Turner's syndrome

Down's syndrome

Sach's syndrome

The interphase of meiosis lacks the stage.

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G0

G1

G2

S

From Hensen's node,dorsal mesoderm is formed and is organized into

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Segments

Fragments

Somitcs

Remains

In human only one ovum is usually discharged from the ovary at one time this phenomenon is called

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Ovulation

Menstruation

Oestrous

Apomixes

All the food chains begin with.

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Producers

Primary consumers

Secondary consumers

Decomposers

Book "The origin of species" was written by.

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Linnaeus

Darwin

Wallace

Lamark

The disease caused by low calcium in blood is called.

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Tetanus

Cramp

sciatica

Tetany

The number of human spinal nerves is:

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24

50

62

64

Crossing over occurs during.

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Leptotene

Pachytene

Zygotene

Anaphase

Innate behavior is all except;

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Coded in DNA

Modified in individuals life span

Modified with species evolution

Programmed responses to external stimuli

A bone is ot a part of pelvic girdle.

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Tillum

Ischium

Humerus

Pubis

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

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Ammonia

Creatinine

Urea

Uric acid

Reptiles and birds are.

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Viviparous

Ovlparous

Marsupial

Ovoviviparous

From beginning of the 3^rd month of pregnancy the human embryo is referred to as the

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Foetus

Kid

Kitten

CUb

Study of different communities with relation to environment is called.

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Synecology

Embryology

Autecology

Zoology

Programmed and organized death of cell is known as.

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Apoptosis

Cancer

Necrosis

Metastasis

Opening of flower bud floows.

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Photonasty

epinasty

Haptonasty

Hyponasty

Fruit development without fertilization is

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Dormancy

Climacteric

Parthenocarpy

Parthenogenesis

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