Please select a subject first
Our government has intentionally imposed strict conditions for M.T.P. in our country. Justify giving a reason.
Concept: Reproductive Health
List the three states the annuals and biennial angiosperms have to pass through during their life cycle.
Concept: Flower - a Fascinating Organ of Angiosperms
By taking two examples explain how has bio-fortification helped in improving food quality.
Concept: Introduction of Strategies for Enhancement in Food Production
In a flowering plant a microspore mother cell produces four male gametophytes while a megapore mother cell forms only one female gametophyte. Explain
Concept: Flower - a Fascinating Organ of Angiosperms
Read the statement and answer the questions that follow.
A flower of brinjal has 520 ovules in its ovary. However, it produces a fruit with only 480 viable seeds.
(a) What could have prevented the rest of the 40 ovules from maturing into viable seeds? Explain giving a reason.
(b) Describe the development of a dicot embryo in a viable seed.
(c) Why certain angiospermic seed albuminous while others are exalbuminous? Explain.
Concept: Flower - a Fascinating Organ of Angiosperms
A capsicum flower has 240 ovules in its ovary. But, it produces a fruit with only 180 viable seeds.
Concept: Flower - a Fascinating Organ of Angiosperms
Bottled fruit juices are clearer as compared to those made at home. Explain.
Concept: Introduction of Strategies for Enhancement in Food Production
Name the kind of diseases/disorders that are likely to occur in humans if
(i) mutation in the gene that codes for an enzyme phenyl alanine hydrolase occurs,
(ii) there is an extra copy of chromosome 21,
(iii) the karyotype is XXY.
Concept: Reproductive Health
Mention any one symptom of the diseases/disorders named above.
Concept: Reproductive Health
What is inbreeding depression?
Concept: Animal Husbandry (Livestock)
Explain the importance of "selection" during inbreeding in cattle
Concept: Animal Husbandry (Livestock)
Explain the role of Restriction endonuclease in Biotechnology
Concept: Introduction of Biotechnology and Its Application
Explain the role of the Gel − electrophoresis in Biotechnology
Concept: Introduction of Biotechnology and Its Application
Explain the role of the Selectable markers in pBR322 in Biotechnology.
Concept: Introduction of Biotechnology and Its Application
Show with the help of a flow chart only, the life cycle of malarial parasite in humans.
Concept: Common Diseases in Human Beings
How does a desert plant adapt to the dry, warmer environmental conditions ?
Concept: Environmental Issues
One of the major contributions of biotechnology is to develop pest-resistant varieties of cotton plants. Explain how it has been made possible.
Concept: Process and Principles of Biotechnology
How can sewage be used to generate biogas ? Explain.
Concept: Microbes in Human Welfare
Name and explain the technique used for separating DNA fragments and making them available for biotechnology experiments.
Concept: Process and Principles of Biotechnology
Differentiate between Vas deferens and vasa efferentia.
Concept: Human Reproductive System > The Male Reproductive System