book free class
wiz-icon
MyQuestionIcon
MyQuestionIcon
Biology | RJ Board | Grade 12 | 2014
Q. Describe pollen-pistil interaction in detail.
View Solution
drop_down_image
Q. What is bioreactor? Explain its functioning.
View Solution
drop_down_image
Q. Explain the use of Agrobacterium tumifaciens in gene cloning.
View Solution
drop_down_image
Q. Differentiate between In-situ conservation and Ex-situ conservation.
View Solution
drop_down_image
Q. What is genetic equilibrium? Write any four factors affecting Hardy-Weinberg equilibrium.
View Solution
drop_down_image
Q. Explain any two reasons of biodiversity loss.
View Solution
drop_down_image
Q. What is the name of the sequence of base pairs which reads same on the two strands of DNA when orientation of reading is kept same?
View Solution
drop_down_image
Q. Give one use of biotechnology in the field of medicine.
View Solution
drop_down_image
Q. Explain in brief the processes of Dairy farm management.
View Solution
drop_down_image
Q. If the sequence of one strand of DNA is as follows 5-AAGTTACTAGAC-3 then write the sequence of m-RNA formed on this basis.
View Solution
drop_down_image
Q. Explain the difference between predation and parasitism.
View Solution
drop_down_image
Q. What is Human Genome project? Write the salient features of Human genome project. Draw a representative diagram of Human genome project.
View Solution
drop_down_image
Q. Write the name of the theory of inheritance given by Walter Sutton.
View Solution
drop_down_image
Q. Write one harmful effect of deforestation on environment.
View Solution
drop_down_image
Q. If the doctor forgets to tie vas deferens of right side during vasectomy, then what will be the effect on sterilisation?
View Solution
drop_down_image
Q. Give the names of four reproductive events that occur after puberty in human beings.
View Solution
drop_down_image
Q. Write the full form of BOD.
View Solution
drop_down_image
Q. Write the name of bacteria which converts milk to curd.
View Solution
drop_down_image
Q. What is genetic code? Write its four salient features. Draw a diagram of t-RNA.
View Solution
drop_down_image
Q. Explain with examples the uses of microbes in production of fermented beverages.
View Solution
drop_down_image
Q. Pomato plant is formed by the protoplast fusion of which two plants?
View Solution
drop_down_image
Q. What are mutagens?
View Solution
drop_down_image
Q. Differentiate between Dryopithecus and Ramapithecus primates.
View Solution
drop_down_image
Q. Write the scientific name of the bacteria that produces Bt toxin.
View Solution
drop_down_image
Q. Explain four basic processes due to fluctuation in density of a population in a given habitat.
View Solution
drop_down_image
Q. Why are catalytic converters used in automobiles?
View Solution
drop_down_image
Q. If diabetic pateints are given unprocessed pro-insulin, then what will be its effect?
View Solution
drop_down_image
Q. Why are the chances of survival of young ones of viviparous animals greater than oviparous animals?
View Solution
drop_down_image
Q. What is the ploidy of endosperm in angiosperms?
View Solution
drop_down_image