Which one of the following cell organelles is absent in animal cell?

• Cell membrane

• Endoplasmic reticulum

• Cell wall

• Mitochondria

Consider the following statements:

1. Carbohydrates are the only source of energy to humans.
2. Fats give maximum energy on oxidation as compared to other foods.

Which of the statements given above is/are correct?

• 1 only

• 2 only

• Both 1 and 2

• Neither 1 nor 2

Which one of the following is not a function of Liver?

• Conversion of glucose into glycogen

• Production of urea

• Destruction of dead and wornout red blood cells

• Absorption of food and excess water from the undigested food

Which one of the following is not a part of female reproductive system?

• Fallopian tube

• Cervix

• Urethra

• Vagina

Which one of the following animals is cold-blooded?

• Dolphin

• Shark

• Whale

• Porpoise

Leprosy is caused by

• virus

• bacteria

• protozoa

• retrovirus

Examine the two statements and carefully and select the answers to these items.

Statement I : Amoeba is a unicellular organism and the single cell performs all functions of a living organism.

Statement II : Cell is the fundamental unit of living organism.

• Both the statements are individually true and Statement II is the correct explanation of Statement I

• Both the statements are individually true but Statement II is not the correct explanation of Statement I

• Statement I is true but Statement II is false

• Statement I is false but Statement JI is true

98.

Growth and repair of damaged tissue involve

• mitotic cell division only

• both mitotic and meiotic cell divisions

• meiotic cell division only

• amitotic cell division only

Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant appears to be bent towards light?

• Cytokinin

• Auxin

• Gibberellin

• Abscisic acid

Which of the following statements about sexual reproduction in flowering plants are correct?

1. Stamen is present in the centre of a flower.
2. Stamen produces pollen grains in the a ovary.
3. The swollen bottom part of carpel is the ovary.
4. The fusion of germ cells gives rise to zygote.

Select the correct answer using the code given below.

• 2, 3 and 4 only

• 2 and 4 only

• 1 and 3 only

• 1, 2, 3 and 4 only