CBSE - Life Processes

1 Life Processes 

Out of the following endrocine glands which are unparied ?
(1) Ovary (2) Testes (3) Pancreas (4) Adrenal

2 Life Processes 

Which cell organelle is known as suicidal bag
(1) Ribosome (2) Centrosome (3) Lysosome (4) Peroxysome

3 Life Processes 

How many upper chambers are present in human heart ?

(1)  Four
(2)  three
(3)  two
(4)  one

4 Life Processes 

Which of the following are secondary metabolities ?

(A) Carbohydrates (B) Tannins (C) Proteins (D) Gums (E) Alkaloids

(1) A, D (2) B, C (3) A, D, E (4) B, D, E

5 Life Processes 

Which of the following is not a part of the female reproductive system in human beings?

(1) Ovary
(2) Uterus
(3) Vas deferens
(4) Fallopian tube

6 Life Processes 

Which endocrine gland does regulate the level of phosphorus in blood?

(1) Thyroid 
(2) Parathyroid 
(3) Adrenal 
(4) Pituitary

7 Life Processes 

The Pancreas secretes pancreatic juice which contains_______ enzyme for digesting proteins.

(1) Lipase
(2) Amylase
(3) Zymase
(4) Trypsin

8 Life Processes 

At the end of the experiment to prove that light is necessary for photosynthesis, when the leaf was tested with iodine, the ' S' shaped figure on the leaf was found to be.

(1) green-presence of starch (2) blue-black presence of starch
(3) green-absence of starch (4) blue-black absence of starch

9 Life Processes 

Some organs of man have their own specific functions but carry out excretion as a secondary function. Identify them.
(1) Lungs, Kidney, Nephron (2) Liver, Skin, Lungs
(3) Skin, Kidney, Intestine    (4) Intestine, Liver, Kidney

10 Life Processes 

Which one of the following does not contain any enzyme?

(1) Bile 
(2) Gastric juice 
(3) Saliva 
(4) Pancreatic juice