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1009 available questions

Biology · Question 981

The sacrum is associated with which region of the vertebral column?

  1. Cervical
  2. Lumbar
  3. Pelvic
  4. Thoracic
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Correct answer: C

Pelvic

The correct answer is Pelvic.

Biology · Question 982

The pelvic girdle consists of:

  1. Two coxal bones
  2. Ilium
  3. Ischium
  4. Pubis
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Correct answer: A

Two coxal bones

The correct answer is Two coxal bones.

Biology · Question 983

Which type of muscle evolved earliest and is found throughout the animal kingdom?

  1. Smooth muscle
  2. Skeletal muscle
  3. Cardiac muscle
  4. None of these
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Correct answer: A

Smooth muscle

The correct answer is Smooth muscle.

Biology · Question 984

The hypothalamus contains regulatory centres for:

  1. Hunger
  2. Water balance
  3. Sleep-wake cycle
  4. All these
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Correct answer: D

All these

The correct answer is All these.

Biology · Question 985

Flowering is independent of photoperiod in:

  1. Long-day plants
  2. Short-day plants
  3. Day-neutral plants
  4. All these
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Correct answer: C

Day-neutral plants

The correct answer is Day-neutral plants.

Biology · Question 986

The placenta separates from the uterus and passes out shortly after birth. This is called:

  1. Pregnancy
  2. Afterbirth
  3. Labour
  4. Gestation
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Correct answer: B

Afterbirth

The correct answer is Afterbirth.

Biology · Question 987

Hans Driesch performed embryological experiments on:

  1. Frog
  2. Chick
  3. Salamander
  4. Sea urchin
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Correct answer: D

Sea urchin

The correct answer is Sea urchin.

Biology · Question 988

The ability to recover a lost or injured body part is called:

  1. Gerontology
  2. Regeneration
  3. Dendrochronology
  4. Redifferentiation
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Correct answer: B

Regeneration

The correct answer is Regeneration.

Biology · Question 989

Which are examples of regeneration?

  1. Healing of fracture
  2. Repair of skin wound
  3. Piece of stem developing into a plant
  4. All these
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Correct answer: D

All these

The correct answer is All these.

Biology · Question 990

Which disease is caused by a defective gene on the X chromosome?

  1. Klinefelter's syndrome
  2. Turner's syndrome
  3. Hemophilia
  4. All of these
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Correct answer: C

Hemophilia

The correct answer is Hemophilia.