Multiple Choice QuestionsFirst time bacteria were observed by
Antony Von Leeuwenhoek
Louis Pasteur
Robert Hook
None of the above
Identify false statement.
Frog can respire both through lungs and skin
Bile juice is secreted by liver
During inhalation volume of thoracic cavity is increased
Microsporum is a pathogenic bacteria
In the alimentary canal, the swallowed food moves downwards because of
the contraction of muscles in the wall of food pipe
the flow of fluid material taken with the food
gravitational pull
force provided by the muscular tongue
Frogs and earthworms breathe through their skin because of which the skin of both the organisms is
dry and rough
dry and slimy
moist and rough
moist and slimy
While going for a picnic a student noted the reading on the odometer on the bus after every 10 min till the end of the journey. Later on, he recorded the reading in a table shown below
| Time (am) |
Odometer |
| 8:00 | 78752 |
| 8:10 | 78758 |
| 8:20 | 78768 |
| 8:30 | 78780 |
| 8:40 | 78791 |
| 8:50 | 78800 |
| 9:00 | 78806 |
The average speed of the bus in the entire journey (in m/s) was
15
18
30
54
Which of the following statements is true about endemic species?
They are not affected by the destruction of their habitat
They are found only in zoos and botanical gardens
They are found exclusively in specific habitat
Endemic species can never become endangered
Which of the following pairs is related to the inheritance of characters?
Chromosomes and genes
Chromosomes and mitochondria
Cell membrane and cell wall
Cell membrane and chloroplast
Out of the different combinations of terms given below, the correct combination of terms with reference to an animal cell is
nucleus, plastid, cell membrane, cell wall
nucleus, chromosome, ribosome, cell wall
cell membrane, chromosome, ribosome, mitochondria
cell membrane, ribosome, chloroplast, mitochondria
Switch
