Sawaal
  • Home/
  • Searching for %

 Searching for "%"

Q:

Organisms that feed on the excreta of other organisms are called 

A) autotrophs B) heterotrophs
C) coprophagous D) saprotrophs
 
Answer & Explanation Answer: C) coprophagous

Explanation:

The word coprodaeum refers to the last part of the elimentary canal.The excreta (undigested, matter) comes out of that part. So, the organisms that take in such materials are called coprophagous.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

Q:

The Mode of nutrition in which particulate food is devoured is 

A) holozoic B) holophytic
C) saprophytic D) Parasitic
 
Answer & Explanation Answer: A) holozoic

Explanation:

The feeding mechanism is of several types. If it is entirely plant-like (photosynthesis),it is called holophytic. It is entirely (holo) animal-like (zoic), that is devouring already existing food, it is called holozoic.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

Q:

The protoplasm of a child is exactly the same as that of its

A) mother B) father
C) grandfather D) identical twin
 
Answer & Explanation Answer: D) identical twin

Explanation:

Though all living organisms  are made of protoplasm each individual has a different composition however slight it be. In identical twins the same cell divides into two and each one develops into one person. So the genitic make-up and type of protoplasm are exactly the same.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

Q:

Which of the following plays an important part in photosynthesis?

A) Chloroplast B) Centrosome
C) Tonoplast D) Nematoblast
 
Answer & Explanation Answer: A) Chloroplast

Explanation:

The Chloroplast contains the wonder green pigment chlorophyll which is able to trap solar energy and use it for synthesis of food

Report Error

View Answer Report Error Discuss

Filed Under: Biology

Q:

Which of the following organelle is known as the 'Power House' of the cell?

A) Golgi Bodies B) Ribosomes
C) Mitochondria D) None of these
 
Answer & Explanation Answer: C) Mitochondria

Explanation:

Mitochondria are known as 'Power House' of the cell because they produce energy in the form of ATP.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

Q:

The soaps used in shaving cream are 

A) Calcium soaps B) lead soaps
C) soft soaps D) hard soaps
 
Answer & Explanation Answer: C) soft soaps

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

Q:

The main element used in the vulcanisation of rubber is

A) nickel B) copper
C) sulphur D) graphite
 
Answer & Explanation Answer: C) sulphur

Explanation:

In vulcanization, cruder rubber is heated with 3% sulphur at about for 1200C for 2-3 hours.

Vulcanised rubber is a vastly improved product.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , GATE

Q:

Acute diabets  patients smell of 

A) acetone B) ether
C) ethyl alcohol D) methyl alcohol
 
Answer & Explanation Answer: A) acetone

Explanation:

Acute diabetes results in the formation of acetone in the body. Hence such patients smell of acetone.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry