Biology - Comprehensive Mock Test 191

Question 1901 Medium

Silviculture is the branch of botany in which we study about ?

A) Culture of algae B) Development of ofrest C) Culture of fungi D) Siliciphida plant

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Question 1902 Easy

Largest gland in human body is ?

A) pancreas B) liver C) thyroid D) pituitary

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Question 1903 Easy

Pepsinogen is secreted by?

A) gastric glands B) chief cells C) parietal cells D) intestinal glands

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Question 1904 Easy

Saliva has the enzyme?

A) pepsin B) rennin C) trypsin D) ptyalin

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Solution Breakdown:

Saliva contains the enzyme amylase, also called ptyalin, which is capable of breaking down starch into simpler sugars such as maltose and dextrin that can be further broken down in the small intestine. About 30% starch digestion takes place in the mouth cavity. Source - Wikipedia

Question 1905 Medium

Which of the following animals has no need for a gall bladder?

A) lion B) dog C) horse D) human

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Question 1906 Medium

The part of digestive system where no digestion occurs ?

A) mouth B) stomach C) esophagus D) duodenum

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Question 1907 Easy

An enzyme which can only act in acidic medium is?

A) amylase B) rennin C) trypsin D) pepsin

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Question 1908 Easy

In humans, bile juice is secreted by?

A) pancreas B) liver C) esophagus D) small intestine

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Question 1909 Easy

Which of the following has no skeleton at all?

A) Star Fish B) Sponge C) Jelly Fish D) Silver Fish

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Question 1910 Easy

Number of chromosomes in Down's syndrome is?

A) 46 B) 47 C) 48 D) 49

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