Practice Pakistan's most useful MCQs for competitive exams

Diatomaceous earth is used for making __________?

• (A)  Fertilizers
• (B)  Weedicides
• (C)  Insecticides
• (D)  Fire proof bricks

Answer

Submitted By :Ali Uppal

Diatoms stay afloat due to___________?

• (A)  Flagella
• (B)  Stored lpids
• (C)  Pseudopodia
• (D)  All of these

Answer

Submitted By :Ali Uppal

Oil body is found in the cells of___________?

• (A)  Diatoms
• (B)  Slime moulds
• (C)  Chlorophycean forms
• (D)  None of the these

Answer

Submitted By :Ali Uppal

Which of the following is a selectively permeable membrane?

• (A)  cell wall
• (B)  cytoplasm
• (C)  cell membrane
• (D)  none of these

Answer

Submitted By :Ali Uppal

The light microscope can make the object_________times bigger?

• (A)  10 times
• (B)  100 times
• (C)  1000 times
• (D)  10000 times

Answer

Submitted By :Ali Uppal

Cell wall is the non living , outermost boundary of__________cell?

• (A)  plant
• (B)  bacterial
• (C)  fungal
• (D)  all the above

Answer

Submitted By :Ali Uppal

which of the following is called protein synthesizing machine?

• (A)  mitochondria
• (B)  nucleus
• (C)  chromosomes
• (D)  ribosomes

Answer

Submitted By :Ali Uppal

Which of the following manufactures carbohydrates by the process of photosynthesis?

• (A)  chloroplast
• (B)  chromoplast
• (C)  leucoplast
• (D)  All of these

Answer

Submitted By :Ali Uppal

During the process of cell division which of the following divides first?

• (A)  cytodplasm
• (B)  vacuoles
• (C)  mitochondria
• (D)  nucleus

Answer

Submitted By :Ali Uppal

Vacuoles are fluid filled sacs surrounded by a membrane called__________?

• (A)  tonoplast
• (B)  nuclear membrane
• (C)  cell membrane
• (D)  cell wall

Answer

Submitted By :Ali Uppal