Question

(a) Xylem tissue
(b) Vascular tissue
(c) Root hairs
(d) Phloem tissue
11.The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in *
2 points
veins
arteries
heart
capillaries
12.Which blood vessel carries oxygen-rich blood? *
2 points
(a) Arteries
(b) Veins
(c) Both (a) and (b)
(d) None of these
13.How many chambers does the human heart have? *
2 points
a) Three
(b) Four
(c) Five
(d) Two
14.Name an instrument/device used to amplify the sound of heart. *
2 points
(a) Stethoscope
(b) UV machine
(c) Both (a) and (b)
(d) Ultrasound machine
15.In which of the following plants buds are present on the margins of leaves? *
2 points
(a) Bryophyllum
(b) Touch me not
(c) Chandan
(d) Coriander
16.Seeds of drumstick and maple are carried to long distances by wind because they possess *
2 points
a) winged seeds
(b) large and hairy seeds
(c) long and ridged fruits
(d) spiny seeds
17.The ovaries of different flowers may contain *
2 points
(a) only one ovule
(b) many ovules
(c) one to many ovules
(d) only two ovules
18.The number of heart beats per minute is called *
2 points
a) pulse rate
(b) throbbing
(c) beating
(d) none of these
19.The pumping organ of our circulatory system is *
2 points
(a) heart
(b) artery
(c) vein
(d) all of thes
20.In which of the following parts of human body are sweat glands absent? *
2 points
(a) Scalp
(b) Armpits
(c) Lips
(d) Palms​

Answer 1

Answer:

a part ,c part,a part , b part,d part ,apar