MCQs4All - Biology Collection

Biology MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers

Question. ATP is a an important molecule for its major function___________?
  1. As an energy currency of the cell
  2. As a coenzyme
  3. Both a and b
  4. None of these
Question. In planaria, numerous small branches which end blindly are called as__________?
  1. Digestive tract
  2. Intestinal caeca
  3. Hepatic caeca
  4. Both B & C
Question. Coelom that develops from the archenteron as outpouching is__________?
  1. Pseudocoelom
  2. Enterocoelom
  3. Schizocoelom
  4. None of these
Question. The one which is present in all aerobic species is _________?
  1. Cytohrome c
  2. Cytochrome a
  3. Cytochrome a3
  4. Cytochrome b
Question. The mechanism for ATP synthesis is_____________?
  1. Chemosynthesis
  2. Photosynthesis
  3. Phosphorylation
  4. Chemiosmosis
Question. An example of codominance is______________?
  1. A’ blood group
  2. B’ blood group
  3. O’ blood group
  4. AB’ blood group
Question. A three dimensional dcavity bearing a specific charge by which the enzyme reacts with its substrate is called_________________?
  1. Active site
  2. Binding site
  3. Catalytic site
  4. Allosteric site
Question. A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?
  1. Kidney surgery
  2. Burring a hole and removing the stone manually (nephrolithotomy)
  3. Extracorporeal Shock wave lithotripsy
  4. None of these
Question. The human naked eye can differentiate between two points which are __________ apart?
  1. 1.0 mm
  2. 0.1 mm
  3. 1.0 cm
  4. 1.0 dm
Question. Sperms are _________ in origin.
  1. Ectodermal
  2. Mesodermal
  3. Endodermal
  4. None of these
Question. Mantle in molluscs is present over____________?
  1. Head
  2. Ventral muscular foot
  3. Dorsal visceral region
  4. All of these
Question. Pinus Taxus and Picea belong to_________________?
  1. Spheospsida
  2. Filicineae
  3. Gymnosperms
  4. Angiosperms
Question. Which of the following statement about dicots is incorrect _________________?
  1. They have 4 or 5 sepals and petals or their multiple.
  2. They have parallel vein pattern on their leaves
  3. They are both herbaceous and woody
  4. Vascular bundles are ring shaped in their stems.