Question

09/04/2020
Biology
1) Which of the following enzymes helps to digest proteins?
A) Trypsin B) Lipase C) Amylase D) Maltase
2) What is the name of the hair like structure present in the lungs?
3) Through which part of the leaves do plants absorb Carbon Dioxide from the atmosphere?
4) Which pigment of leaves absorbs light energy of the sun during photosynthesis?
5) Which of the following organisms show autotrophic nutrition?
A) bacteria B) viruses C) humans D) plants
6) From which organ is bile juice secreted?
7) Which muscle helps in transferring food from stomach to small intestine?
8) Which is considered as the energy currency of the cell?
9) "All plants give out Oxygen during day and Carbon Dioxide during night". Do you agree with this statement? Give reasons.
10) Two green plants are kept separately in Oxygen free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.
11) What would happen if green plants disappear from earth?
12) A) Name the site of exchange of material between the blood and surrounding cells.
B) Draw a schematic representation of transport and exchange of Oxygen and Carbon Dioxide in human body.​

Answer 1

3. stomata

4. chlorophyll