life Processes Class 10 MCQ with answers
Q1. The opening and closing of the stomatal pore depend upon.
(a) water in guard cells
(b) the concentration of CO2 in stomata
Q2. The filtration units of kidneys are called [NCERT Exemplar Problems]
Q3. Which of the following statements is not correct?
(a) Deoxygenated blood is poured into right atrium of heart.
(b) The excretory units of flatworms are flame cells.
(c) Human kidney has about 1 million nephridia
(d) Tracheids and vessels are non-living conducting tissues.
Q4. Normal blood pressure (systolic/diastolic) is
(a) 120/80 mm of Hg
(b) 160/80 mm of Hg
(c) 120/60 mm of Hg
(d) 180/80 mm of Hg
Q5. The process in which loss of water takes place in the form of water vapour through stomata is called.
Q6. A large quantity of one of the following is removed from our body by lungs:
(a) CO2 and H20
(b) CO2 only
(c) FLO only
Q7. Which of the following is chiefly digested in the stomach?
Q8. Identify the correct path of urine in the human body.
(a) Kidney → urinary bladder → urethra → ureter
(b) Urinary bladder → ureter → kidney → urethra
(c) Kidney → ureter → urethra → urinary bladder
(d) Kidney → ureter → urinary bladder → urethra
Q9. Name the tube which connects the kidneys to the urinary bladder.
Q10. Which plant does tissue transport water and minerals from the roots to the leaf?