List of practice Questions

ADH acts on the
Adrenaline directly affects
Acoelus vertebrae in frog is
Acetamide and ethylamine can be distinguished by reacting with
A system absorb $600\, J$ of heat and work equivalent to $300\, J$ on its surroundings. The change in internal energy is:
Amitosis is shown by
Which of the following is/are an angiospermic hydrophyte?
The fruit of coconut is called as
The type of placentation in which ovary is syncarpous unilocular and ovules on sutures is called?
What is the number of spinal nerves in frog?
Acetabulum is present in
Fixation of one molecule of $ CO_{2} $ through Calvin cycle requires
Miller performed experiment to prove abiogenic molecular evolution of life. Which molecule was not present in Miller's experiment?
According to the theory of mutation by Hugo de Vries
Which one of the following is not observed during prophase I stage of meiosis?
E.coli cells having DNA radio labelled with $^{15}N$ were placed in culture medium containing non radioactive $N^{14}$ isotope for three generations. What will be the percentage of ratioactivity in DNA of the progeny?
The nomenclature system used by Linnaeus indicated_____of the organism
Which one of the following are not strictly macromolecules although obtained in macromolecular fraction during cell content separation?
According to starch-sugar conversion theory of stomatal movement, during stomatal opening
After double fertilization, the secondary nucleus gives rise to
To induce feminising effect in cucurbits, which of the following combinations of plant growth regulators should be used?
Which of these include onlyautotrophs?
According to Oswald and Tippo's classification system. Kingdom Plantae is divided into
Polyembryony is observed in plants like Mango. Nucellar cells develop into the embryos. Which of the following is true?
Herkogamy is common in Datura plants. In Herkogamy. anther and stigma are placed at different positions so that the pollen cannot come into contact with the stigma of the same flower. Which of the following is true?