List of top Life Science Questions on Plant Sciences

The Ti plasmid and its T-DNA have been genetically modified for use as a vector for the insertion of recombinant DNA into plant chromosomes to prevent dicots from tumor diseases. The source of Ti plasmid is:

Which of the following statement is wrong about C\(_4\) plants

The plants bloom when the light duration is less than 12 hours per day are know as.

In 1963, several varieties such as Sonalika and Kalyan Sona were introduced all over the wheat-growing belt in India. They were

Who among the following is known as the father of Indian paleobotany?

The symmetry in which a flower can be divided into two equal and similar halves by only one vertical division is

In homosporous pteridophyte species, the development of gametophyte is

Plants can assimilate only two inorganic forms of nitrogen. These are:
A. Nitrite (NO\(_2^-\))
B. Ammonium (NH\(_4^+\))
C. Nitric acid (HNO\(_3\))
D. Nitrate (NO\(_3^-\))
Choose the correct answer from the options given below:

Lenticels permit the:

Number of chromosomes present in Arabidopsis thaliana is:

Arrange the given processes involved in the nitrogen cycle:
(A) Ammonia formation
(B) Organic nitrogen formation
(C) Soil organic nitrogen formation
(D) Nitrate formation
Choose the correct answer from the options given below:

Which one of the following is a peat moss?

The basal portion of a mature ligule of Selaginella is called:

Vessels are present in:

Which of the following combinations of statements are true about C4 cycle?
A. Malic acid formed in the chloroplast of mesophyll cells.
B. Malic acid is transported to the chloroplast of bundle sheath cells.
C. Pyruvic acid produced in mesophyll cells moves to the chloroplast of bundle sheath cells.
D. Malic acid is transported to the chloroplast of mesophyll cells.
Choose the correct answer from the options given below:

Non-vascular land plants are called:

Taxol medicine used in treatment of cancer is extracted from:

The leaves used for wrapping tobacco in a ‘bidi’ are:

Choose the correct sequence of electron transport during electron transport chain of light reaction:
A. Pheophytin
B. Plastoquinone
C. Cytb6-f complex
D. Plastocyanin
Choose the correct answer from the options given below:

Match List I with List II:

LIST I (Photoperiodism)	LIST II (Explanation)
A. Short Day Plants (SDP)	I. Dark period period of 14-16 hours
B. PR	II. Absorbs light at 730-735nm
C. Long Day Plants (LDP)	III. Daylight of about 14-16 hours
D. PFR	IV. Absorbs light at 660-665nm

Choose the correct answer from the options given below:

Following are the steps involved in processing of green tea:
A. Fermentation and drying
B. Twisting and rolling of leaves to facilitate break up
C. Initial removal of moisture content
D. Crushing, Tearing and Curling by CTC method
Choose the correct answer from the options given below: