Comprehensive collection of questions from General Science asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
Which of the following is NOT correctly matched?
Which of these plants does NOT assist in nitrogen fixation?
Which of the following is used as a biofertilizer?
Which one of the following is a biological fertilizer?
In which of the following crops is blue-green algae primarily used as a biofertilizer?
What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is part of the growing medium, it promotes the growth of nitrogen-fixing microorganisms. 3. When biochar is part of the growing medium, it enables the growing medium to retain water for a longer time. Which of the statements given above is/are correct?
Azolla is a/an-
Which of the following is/are used as biofertilizer? Select the correct answer using the code given below: 1. Azolla 2. Blue-green algae 3. Alfalfa 4. Nitroline Code:
Azolla becomes an excellent fertilizer when combined with:
Which of the following microorganisms are utilized as biofertilizers?
Which of the following microorganisms are used as biofertilizers?
The aquatic fern used as a biofertilizer is-
Which one of the following is NOT a nitrogen-fixing organism?
The form of nitrogen absorbed by plants is:
2, 4-D is a/an-
Which of the following is responsible for controlling genetic traits in living cells?
The organism used by Mendel to propound his famous laws of inheritance was-
The Chromosomal Theory of Inheritance was proposed by:
Mendel's theory of heredity is based on-
Hereditary traits in organisms are transmitted to offspring by-
A gene is-
The chromosome number in any species-
A change in the base sequence within a gene is called-
Ribozymes are-
Which compound present in DNA does not yield an amino acid?