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 Biology Questions

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Q:

Along the path of the vas deferens which glands add their secretions in the sperms?

 

I. Prostate

II. Seminal vesicles

III. Scrotum

 

A) Only I and III B) Only I and II
C) Only II and III   D) All I, II and III
 
Answer & Explanation Answer: B) Only I and II

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Q:

Fill in the blank with the most appropriate option.

 

If the genotype of a plant is ttRr, the phenotype would be ___.

 

A) Dwarf and Wrinkled B) Tall and Wrinkled
C) Dwarf and Round D) Tall and Round
 
Answer & Explanation Answer: C) Dwarf and Round

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Q:

Which of the following groups is/are called phanerogams?

 

I. Thallophyte

II. Bryophyte

III. Pteridophyle

 

A) Only I B) Only II
C) All I, II and II D) No option is correct
 
Answer & Explanation Answer: D) No option is correct

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Q:

Which shows the order in which vertebrates evolved?

 

 

A) fish, reptiles, amphibians, birds, mammals   B) amphibians, fish, reptiles, birds, mammals  
C) amphibians, fish, birds, reptiles, mammals   D) fish, amphibians, reptiles, birds, mammals
 
Answer & Explanation Answer: D) fish, amphibians, reptiles, birds, mammals

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Q:

Which one of the following is a waterborne disease?

 

A) Tuberculosis B) Malaria
C) Cholera D) All the above
 
Answer & Explanation Answer: C) Cholera

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Q:

Birth control pills contain

 

A) Progesterone only B) Estrogen only
C) Mixture of progesterone and estrogen derivative D) Neither progesterone nor estrogen
 
Answer & Explanation Answer: C) Mixture of progesterone and estrogen derivative

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Q:

A sarcomere is best described as a

 

A) fixed structural unit within a myofibril bounded by Z lines. B) moveable structural unit within a myofibril bounded by H zones.
C) moveable structural unit within a myofibril bounded by Z lines. D) fixed structural unit within a myofibril bounded by A bands.
 
Answer & Explanation Answer: C) moveable structural unit within a myofibril bounded by Z lines.

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Q:

Organs having different structure and components but perform similar functions are called ______.

 

A) Analogous organs B) Homologous organs
C) Heterogeneous organs D) Homogenous organs
 
Answer & Explanation Answer: A) Analogous organs

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