Biology Questions

Q:

Phytohormones are

A) substances controlling diseases B) regulators synthesized by plants influencing physiological processes
C) substances used for photosynthesis D) chemicals used for peeling
 
Answer & Explanation Answer: C) substances used for photosynthesis

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

4 809
Q:

Growth hormones function

A) sometimes as growth promotors and sometimes as growth inhibitors B) always as growth inhibitors
C) rarely as growth promotors D) always as growth promotors
 
Answer & Explanation Answer: A) sometimes as growth promotors and sometimes as growth inhibitors

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

0 802
Q:

Hybrid zones provide an opportunity to investigate

A) Reproductive isolation B) Speciation
C) Both 1 & 2 D) None
 
Answer & Explanation Answer: C) Both 1 & 2

Explanation:

Hybrid zones are geographical areas where two interbreeding groups of genetically unique organisms meet. Hybrid zones provide an opportunity to investigate Reproductive isolation and Speciation.

Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

0 799
Q:

_____ is a part of the male reproductive system in plants.

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams

0 788
Q:

The reproductive parts of a flower are

A) Calyx and carpels B) Calyx and corolla
C) Corolla and stamens D) Stamens and carpels
 
Answer & Explanation Answer: D) Stamens and carpels

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

2 783
Q:

Which type of reproduction allows for greater variation to be generated?

A) Sexual reproduction B) Asexual reproduction
C) Binary fission D) Multiple fission
 
Answer & Explanation Answer: A) Sexual reproduction

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

0 779