Biology Questions

Q:

The human heart is 

A) Neurogenic heart B) Myogenic heart
C) Pulsating heart D) Ampullary heart
 
Answer & Explanation Answer: B) Myogenic heart

Explanation:

Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

756 38904
Q:

Sort each description by the type of RNA it describes?

a) contains an anticodon
b) specifies the amino acid squence for a protein
c) contains exons
d) has amino acids covalently attached
e) is a component of ribosomes
f) is the most abundant form of RNA

A) a, b, d - tRNA, c - mRNA, e, f - rRNA B) a, c - tRNA, b, d - mRNA, e, f - rRNA
C) a, e, f - rRNA, b - mRNA, c, d - tRNA D) None of the above
 
Answer & Explanation Answer: A) a, b, d - tRNA, c - mRNA, e, f - rRNA

Explanation:

Option A) 

a, b, d - tRNA, c - mRNA, e, f - rRNA

 

Is the given sorted description that describes the RNA type.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

23 35217
Q:

Spermology is the study of

A) Seed B) Leaf
C) Fruit D) Pollen grain
 
Answer & Explanation Answer: A) Seed

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

410 34900
Q:

Who is known as father of Zoology

A) Darwin B) Aristotle
C) Lamark D) Theophrastus
 
Answer & Explanation Answer: B) Aristotle

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

603 33723
Q:

Animal without red blood cells

A) Frog B) Earthworm
C) Snake D) Peacock
 
Answer & Explanation Answer: B) Earthworm

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

406 32739
Q:

The energy released by 1 gram of glucose is

A) 6 kcal B) 4 kcal
C) 5 kcal D) 3kcal
 
Answer & Explanation Answer: B) 4 kcal

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

323 28865
Q:

Some species of which of the below kinds of organisms are employed as biopesticides?

1.Bacteria          2. Fungi       3. Flowering plants

A) 1 only B) 2 and 3 only
C) 1 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: A) 1 only

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

80 28548
Q:

13 - Chambered heart occurs in

A) Leech B) Earthworm
C) Snail D) Cockroach
 
Answer & Explanation Answer: D) Cockroach

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

373 28254