How many meiotic divisions will be needed to produce 44 female gametophytes in angiosperms?
If the codon on m-RNA is AUG, the compatible anticodon on t-RNA is _______.
_______ enzymes are used as biological scissors in r-DNA technology.
(A) Restriction endonucleases
(B) DNA ligases
(C) DNA polymerases
(D) Reverse transcriptases
Vegetative propagation takes place with the help of leaves in _______ plant.
Trichoderma konigi is a source of _______ enzyme.
What is the correct sequence of the stages in bacteriophage lytic cycle?
(A) Attachment, Penetration, Lysis, Multiplication
(B) Attachment, Penetration, Multiplication, Lysis
(C) Lysis, Penetration, Multiplication, Attachment
(D) Attachment, Lysis, Multiplication, Penetration
Edible fruiting bodies are produced by _______.
Enlist types of DNA library.
What is ecological succession?
What is ‘biofortification’?
Which steps would you follow to develop a new variety of crop plant by selective breeding?
Elephantiasis is caused by _______.
(A) Wuchereria bancrofti
(B) Plasmodium vivax
Genetically engineered human insulin is obtained by inserting the gene in _______.
(A) Pancreatic cells
(B) E. coli
(C) Agrobacterium tumefaciens
(D) Drosophila melanogaster
Urea splitting bacteria are responsible for _______ types of stones.
(A) calcium oxalate
(B) calcium phosphate
(C) calcium carbonate
The connecting link between ‘ape’ and ‘man’ is _______.
(C) Homo erectus
(D) Homo neanderthalensis
Crippling disease is caused due to poisoning of _______ .
The genetic marker used as key factor in DNA fingerprinting is _______.
(D) DNA probes
The trophoblast cells in contact with embryonal knob are called _______ .
(A) Inner mass cells
(C) Amniogenic cells
(D) Cells of Rauber
Define the term ‘genome’.
Define organic evolution.
What is criss-cross inheritance?
What is Red Data Book?