Practice Pakistan's most useful MCQs for competitive exams

Trisomy 21 is most common in mothers of the ________ age group.

• (A)  15 to 19
• (B)  20 to 34
• (C)  35 to 39
• (D)  40 to 45

Answer

Submitted By :Ali Uppal

The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?

• (A)  Lipids
• (B)  Carbohydrates
• (C)  Amino acids
• (D)  Protein and amino acids

Answer

Submitted By :Ali Uppal

The hormone that helps in Parthenocarpy?

• (A)  Abscisic acid
• (B)  Cytokinin
• (C)  Ethylene
• (D)  Gibberellin

Answer

Submitted By :Ali Uppal

Which of the following ” Tikka disease” is related with the crop?

• (A)  Musturd
• (B)  Paddy
• (C)  Ground nut
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which among the following is an Autotroph _________ ?

• (A)  Butterfly
• (B)  Mushroom
• (C)  Fish
• (D)  Algae

Answer

Submitted By :Ali Uppal

The biggest group of invertebrates is_________?

• (A)  Worms
• (B)  Insects
• (C)  Jelly fish
• (D)  None of these

Answer

Submitted By :Ali Uppal

The body of ________ is not made of cell.

• (A)  Bacteria
• (B)  Fungi
• (C)  Viruses
• (D)  Algae

Answer

Submitted By :Ali Uppal

Protein which acts as hormone is__________?

• (A)  Casein
• (B)  Trypsin
• (C)  Oxytocin
• (D)  Keratin

Answer

Submitted By :Ali Uppal

Sweat glands occur in greatest number in the skin of the__________?

• (A)  Forehead
• (B)  Back
• (C)  Armpits
• (D)  Palm of hand

Answer

Submitted By :Ali Uppal

Accurate name given to blood is ___________ ?

• (A)  Red fluid
• (B)  Hemoglobin
• (C)  Fluid tissue
• (D)  Plasma

Answer

Submitted By :Ali Uppal