Meiosis leads to the development of:
A) Gamete
B) Zygote
C) Organ
D) Root
Nucleolus disappears at the end of:
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
The process of division of cytoplasm is known as:
A) Cytokinesis
B) Karyokinesis
C) Idiogram
D) None of the above
Another name of Mitosis is:
A) Meiotic division
B) Reductional division
C) Heterotypic division
D) Somatic division
Mitosis does not provide opportunities for:
A) Segregation
B) Recombination
C) Crossing over
D) All of the above
At which of the following stages, chromosomes reach opposite poles?
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
Which of the following are surrounded by double membranes?
A) Mitochondria
B) Chloroplasts
C) Nucleus
D) All of the above
Who coined the term "Mitochondria"?
A) Hollicker
B) C. Benda
C) Montgomery
D) Theodore Boveri
The power house of the cell is:
A) Mitochondria
B) Chloroplasts
C) Nucleus
D) All of the above
Digestive enzymes are contained in:
A) Lysosomes
B) Ribosomes
C) Plastids
D) All of these
A nucleotide consists of which of the following?
A) Base + pentose
B) Base + pentose sugar + phosphate
C) Organic base + phosphate
D) Pentose + phosphate
How many hydrogen bonds join cytosine and guanine in a DNA molecule?
A) One
B) Two
C) Three
D) Four
The process of DNA synthesis from RNA is known as:
A) Reverse transcription
B) Reverse translation
C) Transcription
D) Reverse mutation
According to the concept of central dogma genetic information flows:
A) DNA → Protein
B) DNA → RNA → Protein
C) DNA ↔ RNA → Protein
D) RNA → DNA → Protein
Mutation was first discovered by:
A) Muller
B) de Vries
C) Seth Wright
D) Stadler
Which of the following mutagens is a base analogue?
A) EMS
B) MMS
C) 5 BU
D) EES
A gene which exhibits higher mutation rate than other gene is called:
A) Mutator gene
B) Antimutator gene
C) Mutable gene
D) Hot spot
Mutations have which of the following characteristics?
A) They are recessive & Harmful
B) They are random & recurrent
C) Often, mutations show pleiotropy
D) All of the above
Based on survival mutation can be classified into:
A) Lethal
B) Sub-lethal
C) Sub-vital
D) All of the above
Sterility property of triploids are useful in production of seedless:
A) Watermelons
B) Banana
C) Apple
D) All of the above
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