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 Biology Questions

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Q:

The swollen bottom part of the carpel in a flower is ______.

A) Ovary B) Style
C) Stigma D) Anther
 
Answer & Explanation Answer: A) Ovary

Explanation:
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Q:

Which of the following statements about the cytoskeleton is FALSE?

A) The bacterial cytoskeleton is not required for cell division and DNA segregation B) The cytoskeleton is made up of two types of protein filament
C) Protein monomers that are held together with covalent bonds to form cytoskeletal filaments D) The cytoskeleton of a cell can change in response to the environment
 
Answer & Explanation Answer: C) Protein monomers that are held together with covalent bonds to form cytoskeletal filaments

Explanation:

Protein monomers that are held together with covalent bonds to form cytoskeletal filaments is the false statement about the cytoskeleton in the given options.

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Q:

Blood flow to a tissue will increase if the

A) pH rises B) Level of carbon dioxide at the tissue increases
C) Vessels constrict D) Level of oxygen at the tissue increases
 
Answer & Explanation Answer: B) Level of carbon dioxide at the tissue increases

Explanation:

The movement of blood in the body is called blood flow. The blood flows through the vessels, tissues and organs. Blood flow to a tissue will increase if the level of carbon dioxide at the tissue increases.

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Q:

All of the following are fat-soluble vitamins except

A) Vitamin C B) Vitamin D
C) Vitamin A D) Vitamin K
 
Answer & Explanation Answer: A) Vitamin C

Explanation:

Fat-soluble vitamins except are the vitamins that are not soluble in water and are only absorbed when taken with higher fat food.

There are 4 types of fat soluble vitamins. They are :

  • Vitamin A
  • Vitamin D
  • Vitamin E
  • Vitamin K

 

Water soluble vitamins are Vitamin B and Vitamin C.

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Q:

All of the following are true about color blindness except

A) it seems to be more common in women than men. B) people are either unable to distinguish two or more hues from each other or unable to see hue at all.
C) color blindness has no easy method of detection. D) it involves missing or damaged cones.
 
Answer & Explanation Answer: A) it seems to be more common in women than men.

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Q:

Which of the following serves as a nutritive tissue for the growing embryo?

A) Ovule B) Zygote
C) Ovary D) Endosperm
 
Answer & Explanation Answer: D) Endosperm

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Q:

Which of the following is a work done by the placenta tissue in humans?

A) Support the embryo B) Removes waste matter from the embryo and provide nutrition to the embryo
C) Provide nutrition to the embryo D) Remove waste matter from the embryo
 
Answer & Explanation Answer: B) Removes waste matter from the embryo and provide nutrition to the embryo

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Q:

The__________ are the primary female sex organs that produce the female gamete (ovum) and several steroid hormones (ovarian hormones).

A) Cervix B) Uterus
C) Ovaries D) Clitoris
 
Answer & Explanation Answer: C) Ovaries

Explanation:
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