Aquatic animals like fish excrete their wastes in gaseous form as
(a) Oxygen
(b) Hydrogen
(c) Ammonia
(d) Nitrogen
In a tall tree, which force is responsible for pulling water and
minerals from the soil?
(a) Gravitational force
(b) Transportation force
(c) Suction force
(d) Conduction force
In which of the following parts of human body are sweat glands
absent?
(a) Scalp
(b) Armpits
(c) Lips
(d) Palms
The absorption of nutrients and exchange of respiratory gases
between blood and tissues takes place in –
(a) veins
(b) arteries
(c) heart
(d) capillaries
They are pipe-like, consisting of a group of specialised cells.
They transport substances and form a two-way traffic in plants.
Which of the following terms qualify for the features mentioned
above?
(a) Xylem tissue
(b) Vascular tissue
(c) Root hairs
(d) Phloem tissue
They are pipe-like, consisting of a group of specialised cells.
They transport substances and form a two-way traffic in plants.
Which of the following terms qualify for the features mentioned
above?
(a) Xylem tissue
(b) Vascular tissue
(c) Root hairs
(d) Phloem tissue
The muscular tube through which stored urine is passed out
of the body is called –
(a) kidney
(b) ureter
(c) urethra
(d) urinary bladder
A food stall owner was preparing dough for making bhaturas.
He added a pinch of yeast and sugar to the dough and left it in
a warm place. After few hours, the dough had risen. There was
a sour smell too.
(a) Why did the dough rise?
(b) Why did the dough smell sour?
(c) Why was sugar added to the dough?
(d) What would have happened if the dough was kept in the
refrigerator, soon after it was prepared?
Paheli participated in a 400 m race competition held at her
school and won the race. When she came home she had mixed
feelings of joy and pain as she had cramps in her leg muscles.
After a massage she was relieved of the pain. Answer the
following questions related to the situation.
(a) What can be the possible reasons for the pain in her
legs?
(b) Why did she feel comfortable after a massage?
+91 94284 01196 (WhatsApp only)
C-15, Suvidhapark Society, Amitnagar circle, Karelibaug, Vadodara (390018)
© Copyright 2025. Doubtora. All Rights Reserved
