Botany
Direction
From the following questions select the appropriate answer.
Q. Which causes flowers to have colors?
A) Chromatoplast
B) Chromoplast
Description not available. Let’s discuss.
C) Chloroplast
D) Leukoplast
Discuss
Q. Why green fruit changes its color when ripen?
A) For the presence of chlorophyll.
B) For the presence of sayanophyll.
C) For the presence of xanthaphyll.
Description not available. Let’s discuss.
D) None of the above.
Discuss
Q. Which cell is known as powerhouse?
A) Ribosome
B) Chromosome
C) Protoplasm
D) Mitochondria
Description not available. Let’s discuss.
Discuss
Q. Which is responsible for the color of flower petals?
A) Leukoplast
B) Chromoplast
Description not available. Let’s discuss.
C) Chloroplast
D) Amitosis
Discuss
Q. Why green tomatoes are red when ripe?
A) For carrotin and xanthophylls.
B) For more chlorophyll production.
C) For termination of chlorophyll production.
Description not available. Let’s discuss.
D) Both A and B
Discuss
Q. What is the chemical constituent of gene?
A) DNA
Description not available. Let’s discuss.
B) RNA
C) ATP
D) TNAL
Discuss
Q. Mitochondria is absent in _________ .
A) Fungus
B) Bacteria
Description not available. Let’s discuss.
C) Algae
D) Neuron
Discuss
Q. What is the process through which a cell replicates itself asexually without any genetic alteration?
A) Gene
B) Microbe
C) Embryo
D) Cloning
Description not available. Let’s discuss.
Discuss
Q. How many pairs of chromosomes do rice plants have?
A) 6
B) 8
C) 10
D) 24
Description not available. Let’s discuss.
Discuss
Q. Which of the following makes milk sour?
A) FungusVirus
B) Bacteria
Description not available. Let’s discuss.
C) Fungus
D) Protozoa
Discuss
Q. What is pruning?
A) Limb amputation
Pruning is to amputate or selectively remove unwanted branches in order to improve structure of a tree.
B) Moderate water irrigation
C) Weed uprooting
D) To fertilize in a balanced way
Discuss
Q. Which plant doesn’t require direct sunlight?
A) Paddy
B) Tea
Tea plant can grow both in full sun and shade, but it preferably grows in partial sun.
C) Maize
D) Wheat
Discuss
