A cross used to verify the unknown genotype of F1 hybrid is a_______________
Appearance of new combinations in F2 generation in a dihybrid cross proves the law of_____________ .
- independent assortment
- purity of gametes
A fine powder of recycled modified plastic is known as___________________ .
The partially decomposed organic matter is formed by a process called
Transfer of genetic material into a bacterial cell through a viral vector is known as
If the number of chromosomes in an endosperm cell is 27, what will be the chromosome number in the definitive nucleus?
A pea plant pure for yellow seed colour is crossed with a pea plant pure for green seed colour. In F1 generation all pea plants were with yellow seeds. Which law of Mendel is applicable?
Name the high-yielding semi-dwarf varieties of wheat selected and introduced in India in 1963.
With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).
With the help of a neat and labelled diagram describe the steps in recombinant DNA technology.
In gene therapy, DNAase is used to treat_______________ .
- cystic fibrosis
- pituitary dwarfism
- insulin dependent diabetes
If only one 'X' chromosome is found in a female person, which of the following symptoms she will show?
- epicanthal skin fold
- webbing of neck
- small testis and absence of spermatogenesis
- presence of simian crease on the palm
In which of the following haploid cells a whole genome in human being is present?
- somatic cell
- mature RBC
- primary spermatocyte
Which of the following is NOT an example of connecting link?
- Biston betularia
In____________ , superior males of one breed are mated with superior females of another breed.
- out crossing
- cross breeding
- out breeding
Normal activities of the heart are regulated by
- spinal cord
- modified cardiac muscles
During .............. typs of interaction, both organisms are benefited
What is gene pool?
Distinguish between ape and man.
What will be the phenotype of progeny, if a carrier haemophilic female marries a normal male?
Justify the conservation of endangered species of plants and animals is necessary
Justify Pollution Under Control (PlUC) certificate is mandatory for all vehicles and industries
With the help of a labelled diagram of lateral view of cerebrum, describe the structure .
Give any 'two' functions of cerebrum.