9
Q:

The biogenetic law was proposed by

A) Alfred Russel Wallace B) Charles Darwin
C) Ernst von Haeckel D) Lamarck

Answer:   C) Ernst von Haeckel



Explanation:

The biogenetic law states that ontogeny (study of development) repeats phylogeny (origin from previous group of racial history), The young one of the frog namely the tadpole is like a fish cosidered to be ancestral to frog.

Subject: Biology
Q:

Name the tissue that transports food to various parts of a plant.

 

A) Parenchyma B) Sclerenchyma
C) Xylem D) Phloem
 
Answer & Explanation Answer: D) Phloem

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Q:

Rajat has hypermetropia. What type of lens will the ophthalmologist recommend to correct his vision?

 

A) Convex B) Progressive
C) Bifocal D) Concave
 
Answer & Explanation Answer: A) Convex

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Q:

Which human body part can be called the 'chemical factory' of our body?

 

A) Liver B) Stomach
C) Kidneys D) Lungs
 
Answer & Explanation Answer: A) Liver

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Q:

Both, haemoglobin and myoglobin require _________ for formation.

 

A) Iron B) Vitamin B12
C) Calcium D) Vitamin A
 
Answer & Explanation Answer: A) Iron

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Q:

The ________ helps in equalising the pressure on either sides of the eardrum

 

A) cochlear nerve B) malleus
C) eustachian tube D) incus
 
Answer & Explanation Answer: C) eustachian tube

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Q:

Which of the following is NOT a part of the brain?

 

A) Medulla B) Thalamus
C) Pons D)
 
Answer & Explanation Answer: D)

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Q:

Which of these bones is NOT a part of the human ear?

 

A) Malleus B) Stapes
C) Femur D) Incus
 
Answer & Explanation Answer: C) Femur

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Q:

Red worms have a structure named ______ which helps them in grinding their food.

 

A) Esophagus B) Intestine
C) Crop D) Gizzard
 
Answer & Explanation Answer: D) Gizzard

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