For students in search of
Hydroponic Gardening
Guides - Basics to Experts level
Growing fruit and vegetables hydroponically
Practical daily questions or queries of hydroponics lovers
Current Hydroponics and Indoor Gardening Market Growth as well as Trends
231.
The most effective wavelength of visible light in photosynthesis is in the region of which of the following?
Answer: A
Explanation:
232.
Photosynthesis is a:
A. reductive, endergonic, catabolic process
B. Reductive, endergonic, anabolic process
C. Reductive, exergonic, anabolic process
D. Oxidative, exergonic, catabolic process
Answer: B
Explanation:
233.
In an E. coli cell according to operon theory an operator gene combines with:
A. Regulator gene to "Switch off" structural gene transcription
B. Regulator protein to "switch off" structural gene transcription
C. Regulator protein to "switch on" structural gene transcription
D. Inducer gene to "switch on" structural gene transcription
Answer: B
Explanation:
234.
More energy is released by the process of aerobic respiration than by fermentation because fermentation:
A. Requires oxygen both as a hydrogen acceptor and donor
B. Is a process in which only some kind of organic matter can be oxidized
C. Occurs in micro-organisms which have very few enzymes
D. Causes incomplete oxidation of organic food
Answer: D
Explanation:
235.
In nitrogen cycle which of the following plays an important role?
A. Rhizopus
B. Mucor
C. Nitrobacter
D. Spirogyra
Answer: C
Explanation:
236.
If we separate the cell organelles of a living cell which part should be alive?
A. Ribosome
B. Endoplasmic reticulum
C. Chloroplast
D. Cell wall
Answer: C
Explanation:
237.
Which of the following is the site of respiration within the cell?
A. Ribosomes
B. Nucleus
C. Golgi body
D. Mitochondrion
Answer: D
Explanation:
238.
Foliar application of colloidal suspensions of triacontanol (30-carbon saturated primary alcohol isolated first from alfalfa shoots) enhanced the growth of seedlings of ______ and also maize.
A. Rice
B. Soybean
C. Castorbean
D. Clusterbean
Answer: A
Explanation:
239.
The oxygen produced during photosynthesis comes from water was proved by:
A. Robert Mayer
B. Blackman
C. Ruben
D. M.Calvin
Answer: C
Explanation:
240.
Cytology, and genetics were merged into "Cytogenetics" by one of the following:
A. Robertson
B. Muller
C. T.H.Morgan
D. Altmann
Answer: C
Explanation:
Read more:
