Within an animal cell, the most abundant inorganic constituent of protoplasm is

• sodium and potassium salt

• water

• iron

• phosphate

82.

What is 'breakbone fever' most commonly known as?

• Typhoid

• Rhinitis

• Yellow fever

• Dengue

Which one among the following is not a sexually transmitted disease?

• Syphilis

• Gonorrhea

• Scurvy

• Hepatitis B

After diagnosis ofdisease in a person, the doctor advises the patient iron and folic acid tablets. The person is suffering from

• osteoporosis

• anaemia

• goitre

• protein-energy malnutrition

Dropsy is a disease caused due to adulteration in

• Ghee

• Arhar Dal

• Mustard oil

• Turmeric powder

Leaves of which of the following plants are not used for the rearing of silkworms?

• Mulberry

• Castor

• Oak

• Teak

Which one among the 1ollowing groups is the most abundant in terms of number of species identified?

• Fungi

• Green plants

• Bacteria

• Insects

The site of cellular respiration in animal cell is

• ribosome

• mitochondria

• endoplasmic reticulum

• lysosome

Which of the following statements about vitamins are correct?

1. Vitamin C is essential to make connective tissue in body.
2. Vitamin D is needed for synthesis of eye pigment.
3. Vitamin B₁₂ helpsin maturation of RBC.
4. Vitamin C is required to make use of calcium absorbed from the intestine.

Select the correct answer using the code given below.

• 1 and 2

• 1 and 3

• 2 and 4

• 1 and 4

Which one among the following is a plant hormone?

• Insulin

• Thyroxin

• Gibberellin

• Estrogen