301. All of the follwing are blood clots except:___________?
✅ C. Atheroma
Option A: Thrombus Option B: Embolus Option C: Atheroma Option D: Hematoma Correct Answer : Atheroma Read more
Biology MCQs – Page 16
302. It is the measure of force with which blood pushes up against the walls of blood vessels.
✅ C. Blood pressure
Option A: Stroke volume Option B: Cardiac output Option C: Blood pressure Option D: Blood flow Correct Answer : Blood pressure Read more
303. Which of the following have thickest walls?
✅ A. Arteries
Option A: Arteries Option B: Veins Option C: Capillaries Option D: None of these Correct Answer : Arteries Read more
304. QRS complex represents____________?
✅ B. Ventricular systole
Option A: Atrial systole Option B: Ventricular systole Option C: Atrial diastole Option D: Ventricular diastole Correct Answer : Ventricular systole Read more
305. The pressure generated when water enters & inflates plant cells is called ___________ potential?
✅ C. Pressure
Option A: Water Option B: Osmotic Option C: Pressure Option D: Solute Correct Answer : Pressure Read more
306. The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)
✅ B. Osmosis
Option A: Deffusion Option B: Osmosis Option C: Active transport Option D: None of these Correct Answer : Osmosis Read more
307. ___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?
✅ A. Osmotic
Option A: Osmotic Option B: Pressure Option C: Both of these Option D: None of these Correct Answer : Osmotic Read more
308. ___________ component of cell wall has grreat affinity with water?
✅ D. All of these
Option A: Lignin Option B: Cellulose Option C: Pectin Option D: All of these Correct Answer : All of these Read more
309. Commonly in other plants than tall ones the speed of upward movement of water is____________?
✅ B. 1 mh-1
Option A: 8mh-1 Option B: 1 mh-1 Option C: 7 mh-1 Option D: 4 mh-1 Correct Answer : 1 mh-1 Read more
310. Exceptionally the positive hydrostatic pressure generated by root pressure is about___________?
✅ B. 800 Kpa
Option A: 600 Kpa Option B: 800 Kpa Option C: 1000 Kpa Option D: 900 Kpa Correct Answer : 800 Kpa Read more
311. Cuticular transpiration is _________ of total transpiration?
✅ B. 5-7%
Option A: 6-8% Option B: 5-7% Option C: 7-9% Option D: 4-6% Correct Answer : 5-7% Read more
312. The membrane of vacuoles is known as__________?
✅ B. Tonoplast
Option A: Vacuoloplast Option B: Tonoplast Option C: Tanoplast Option D: All of these Correct Answer : Tonoplast Read more
313. The diffusion of ions along with water also takes place by mass flow system along the ________ path?
✅ B. Apoplast
Option A: Tonoplast Option B: Apoplast Option C: Symplast Option D: Vacuolar Correct Answer : Apoplast Read more
314. Active transport is dependent on____________?
✅ B. Respiration
Option A: Photosynthesis Option B: Respiration Option C: Photophosporylation Option D: None of these Correct Answer : Respiration Read more
315. In plants, the neighbouring cells are connected with one another by__________?
✅ D. Both A & B
Option A: Plasmodesmata Option B: Cell walls Option C: Vacuoles Option D: Both A & B Correct Answer : Both A & B Read more
316. In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.
✅ B. Apoplast
Option A: Tonoplast Option B: Apoplast Option C: Symplast Option D: Vacuolar. Correct Answer : Apoplast Read more
317. Cytoplasmic strands that extend through pores in adjacent cell walls are known as___________?
✅ C. Plasmodesmata
Option A: Pseudopods Option B: Symplasts Option C: Plasmodesmata Option D: Pili Correct Answer : Plasmodesmata Read more
318. In plants, water potential is determined by major factors?
✅ C. Two
Option A: Three Option B: Four Option C: Two Option D: Five Correct Answer : Two Read more
319. S-band locomotion is characteristically seen in___________?
✅ B. Cartilaginous fish.
Option A: Bony fish Option B: Cartilaginous fish. Option C: Fish like mammals. Option D: All fishes. Correct Answer : Cartilaginous fish. Read more
320. How many vertebrae are present in lumbar region?
✅ C. 5
Option A: 7 Option B: 12 Option C: 5 Option D: 4 Correct Answer : 5 Read more