List of practice Questions

Which of the following is used in tyre cords ?
Which of the following bonds require the largest amount of bond energy to dissociate the atoms concerned ?
The green house gas is
The types of hybridisation on the five carbon atoms from left to right in the molecule CH$_3-CH=C=CH-CH_3$ are
In which of the following steps of citric acid cycle, CO$^2$ is evolved
Which of the following statements regarding cyclic flow of electrons during light reactions is false?
Match the mineral in Column I with the enzyme activated in Column II and choose the correct option.
When one element is involved in opening and closing of stomata, the other helps to maintain the ribosome structure. They are
Which of the following groups of mint, are micronutrients
Which of the following statements regarding fats is true?
i.$\quad$ They help in respiration ii.$\quad$ They help in cell wall formation iii.$\quad$ They help in DNA replication iv. $\quad$They increase surface area of plasma membrane Which of the following prokaryotic structures has all the above roles?
Which of the following cell organelle is excluded from endomembrane system?
Match the following:
Match the modification in Column I with the part modified in Column II and choose the right option.
Alec Jeffreys developed the $DNA $ finger printing technique. The probe he used was:
Lenticels are involved in
Multicostate parallel type of venation is found in the leaves of
The inflorescence shown is
The leaves are modified into spines in
Which one of the following is an example of subaerial modification of stem ?
Alburnum is also called as
Two chambered heart is feature of
Which one of taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time ?
Calcium metabolism in birds gets disturbed due to the effect of:
In a grazing food chain carnivores may also be referred to as: