Browse and search thousands of solved questions for your preparation.
Free questions with full explanations — locked behind signup to protect quality.
Diaphragms, cervical caps and vaults are:
Among fraternal twins, one baby is haemophilic while the baby's brother is normal. Which statement is true?
A genetic map is one that:
If a female individual is with small round head, furrowed tongue, partially open mouth and broad palm with characteristic palm crease. Also the physical, psychomotor and mental development is retarded. The karyotype analysis of such an individual will show :
The probability of four sons to a couple is:
Which of the following statements is not correct?
The linkage map of the X-chromosome of fruitfly has 66 units, with yellow body gene (y) at one end and bobbed hair (b) gene at the other end. The recombination frequency between these two genes (y and b) should be:
Which scientist conducted an experiment with 32P and 35S labelled phages for demonstrating that DNA is the genetic material?
In context of amniocentesis, which of the following statement is incorrect?
Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:
F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1:2:1. It represents a case of:
Match List-I with List-II. List-I A. Centromere B. Cilium C. Cristae D. Cell membrane List-II I. Mitochondrion II. Cell division III. Cell movement IV. Phospholipid Bilayer
Match List-I with List-II: List-I A. Parathyroid hormone B. Epinephrine and Nor-epinephrine C. Thyroid stimulating hormone D. Melatonin List-II I. Flight or fight response II. Regulates the body's biological clock III. Increases blood Ca2+ level IV. Synthesis of hormones
When dominant and recessive alleles express themselves together it is called:
Match List-I with List-II: List-I (Types of inheritance) A. Incomplete dominance B. Co-dominance C. Pleiotropy D. Polygenic inheritance List-II (Example) I. Blood groups in human II. Flower colour in Antirrhinum III. Skin colour in human IV. Phenylketonuria
Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?
Which one of the following conditions correctly describes the manner of determining the sex in the given example?
Which of the following statements are correct about Klinefelter's Syndrome?
A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?