Botany - Online Test
Q1. Organism which depend on dead and decaying organic matter is
Answer : Option A
Explaination / Solution:
A saprophyte or saprotroph is an organism which gets its energy from dead and decaying organic matter. This may be decaying pieces of plants or animals.
This means that saprophytes are heterotrophs. They are consumers in the food chain.
Q2. Extra nuclear inheritance is a consequence of presence of genes in
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. Who invented electron microscope?
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. Genes for cytoplasmic male sterility in plants are generally located in
Answer : Option A
Explaination / Solution:
No Explaination.
Q5.
Refer
to the given figure and select the correct statement
i.
A, B, and C are histogen of shoot apex
ii.
A Gives rise to medullary rays.
iii.
B Gives rise to cortex
iv.
C Gives rise to epidermis
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. An allohexaploidy contains
Answer : Option C
Explaination / Solution:
No Explaination.
Q7. Reproduction is an essential life process, which help in
Answer : Option D
Explaination / Solution:
During reproduction, new individuals are produced having similar traits that help in continuity of species. It is essential as all living organisms have fixed life span.
Q8.
Consider
the following statements
In
spring season vascular cambium
i.
is less active
ii.
produces a large number of xylary elements
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. The balloon – shaped structures called tyloses
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. Monstera has
Answer : Option B
Explaination / Solution:
In some plants, like grass,Monsteraand the banyan tree, roots arisefrom parts of the plant other than theradicle and are called adventitious roots
