ICSE Board Exam BIOLOGY PAPER SOLUTIONS | ICSE | CBSE

Answer the following Questions.

QUESTIONS:

1) A mixture of a smoke and fog.

2) Fixing of developing zygote on the uterine wall.

3) The permanent stoppage of menstruation at about the age of 45 years in female.

4) The hormone increasing reabsorption of water by kidney tubules.

5) A thin membrane covering the entire front part of the eye.

6) The lens of eye losing flexibility resulting in a kind of long-sightedness in middle ages people.

7) The number of parsons living per square kilometer at any given time.

8) The sound produced when the atrio - ventricular valves close in the heart.

9) The process by which white blood cells engulf bacteria.

10) Write the chemical equation of photosynthesis.

11) The hormone that helps increase the reabsorption of water from the kidney tubules.

12) The phenomenon by which living or dead plant cells absorb water by surface attraction.

13) The phase of cardiac cycle in which the auricles contract.

14) The organ where urea is produced.


Answers:

1) Smog 

2) Implantation

2) Menopause 

4) Antidiuretic Hormone (ADH)

5) Conjunctiva

6) Presbyopia

7) Population Density

8) LUBB

9) Phagocytosis

10) 6CO2 + 12H2O --------) C6H12O6 + 6H2O + 6O2

11) Antidiuretic Hormone (ADH)

12) Imbibition

13) Astrial systole

14) Liver