Biology Mcqs

The normal pH of human blood is____________?

• (A)  6.4
• (B)  7.0
• (C)  7.4
• (D)  7.5

Answer

Submitted By :Ali Uppal

Shrinkage of protoplast due to exosmosis of water is__________?

• (A)  imbibition
• (B)  plasmolysis
• (C)  deplasmolysis
• (D)  adhesion

Answer

Submitted By :Ali Uppal

Artherosclerosis is a major condition leading to__________?

• (A)  heart attack
• (B)  hypertension
• (C)  stroke
• (D)  tumor

Answer

Submitted By :Ali Uppal

Splitting of glucose relates to_________?

• (A)  respiration
• (B)  photorespiration
• (C)  glycolysis
• (D)  pyruvic acid

Answer

Submitted By :Ali Uppal

Higher vascular plants are also called__________?

• (A)  flowering plants
• (B)  seed plants
• (C)  ferns
• (D)  none of these

Answer

Submitted By :Ali Uppal

The plants which produce embryo but lack vascular tissues and seeds are placed in_________?

• (A)  bryophytes
• (B)  pteridophytes
• (C)  tracheophytes
• (D)  all of these

Answer

Submitted By :Ali Uppal

Which bone is called beauty bone in women?

• (A)  sternum
• (B)  clavicle
• (C)  maxilla
• (D)  radius

Answer

Submitted By :Ali Uppal

Detachment of myosin head and actin in rigor mortis occurs due to__________?

• (A)  stored ATP in body
• (B)  hypercalcemia
• (C)  autolysis in body
• (D)  hyperactivity of mitochondria

Answer

Submitted By :Ali Uppal

Release of the ovum from ovary is called__________?

• (A)  fertilization
• (B)  ovulation
• (C)  implantation
• (D)  none of these

Answer

Submitted By :Ali Uppal

The foetus is protected from the mechanical damage by the__________?

• (A)  cervix
• (B)  vagina
• (C)  uterus
• (D)  amniotic fluid

Answer

Submitted By :Ali Uppal