WorksheetsSCIENCE
Total questions: 10
Worksheet time: 8mins
Observe figures carefully and answer the following questions.
Which process is being tested in the activity?
Exhaled air contains CO2
Exhaled air contains O2
Exhaled air contains both CO2 and O2
none of the above
They are pipe-like, consisting of a group of specialized cells. They transport substances
and form two-way traffic in plants.
Xylem tissue
Vascular tissue
Root hair
Phloem tissue
Fungus, moss, and fern reproduce by a common method of asexual reproduction. Name the method.
budding
spore formation
vegetative propagation
fragmentation
Identify the method of reproduction.
vegetative propagation - eyes
stem cutting - stem
bud formation - leaf
spore formation
Identify the process A and C.
Cross and Self-pollination.
self and cross-pollination
both are cross-pollination
both are self-pollination.
Which method is better? A or C. Why?
Method A is better. Do not depend on pollinating agents.
Method C is better. It produces new varieties.
Both the methods.As new varieties of plants are formed.
None of the methods.
In the diagram given in figure 12.2, label the parts marked (a), (b), and (c).
(a) is a pollen tube, (b)is a pollen grain, and (c) is the zygote.
(a) is a pollen grain, (b)is the zygote, and (c) is a pollen tube,
(a) is a stigma, (b) is a pollen tube, and (c) is the zygote.
(a) is a pollen grain, (b) is a pollen tube, and (c) is the zygote.
A shopkeeper wanted to fix a mirror that will give a maximum view of his shop. What type of mirror should he use?
concave mirror
convex mirror
both concave and convex
plane mirror
If an object is placed at a distance of 1 m in front of a plane mirror, the distance between the object and the image formed by the mirror will be
1m
2m
0.5m
1.5m
State the correct sequence (1-7) of colors in the spectrum formed by the prisms A
violet, indigo, blue, green, yellow, orange, and red
red, orange, yellow, green, blue, indigo, and violet.
red, orange, yellow, green, blue, and violet.
None of the above
