A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap?
|
You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots? |
Answer | ||||||||||
|
Phytochrome is a |
Answer | ||||||||||
|
Which is essential for the growth of root tip? |
Answer | ||||||||||
|
The process which makes major difference between C3 and C4 plants is |
Answer | ||||||||||
|
Which one of the following statements is not correct? |
Answer | ||||||||||
|
Which one of the following generates new genetic combinations leading to variation? |
Answer | ||||||||||
|
Match Column-I with Column-II and select the correct option using the codes given below :
Codes: a b c d |
Answer | ||||||||||
|
In majority of angiosperms |
Answer | ||||||||||
|
Pollination in water hyacinth and water lily is brought about by the agency of |
Answer | ||||||||||
|
The ovule of an angiosperm is technically equivalent to |
Answer |