List of top Zoology Questions

Fill in the blank in the extra intestinal migration of Rhabditiform larva.

\[ \text{Liver} \rightarrow \underline{\hspace{2cm}} \rightarrow \text{Heart} \rightarrow \text{Lungs} \rightarrow \text{Pharynx} \rightarrow \text{Intestine} \]

Match the following.

\[ \begin{array}{|c|l|c|l|} \hline \text{List-I} & & \text{List-II} & \\ \hline A & \text{Rise in sea levels} & I & \text{Eutrophication} \\ \hline B & \text{Increase of pollutant at successive trophic levels} & II & \text{Biological oxygen demand} \\ \hline C & \text{Enrichment with nutrients} & III & \text{Greenhouse effect} \\ \hline D & \text{Water hyacinth} & IV & \text{Biomagnification} \\ & & V & \text{Terror of Bengal} \\ \hline \end{array} \]

Fish byproduct used in cleaning the wine

Zoological name of European honey bee

Cynognathus is an intermediate form between

In an ECG, tall T-wave indicates

The view of inheritance of acquired characters of Lamarck was opposed by

Consider the following statements. Statement I: If one species develops into two or more species it is called divergent evolution. Statement II: Analogous organs suggest divergent evolution.

If the blood groups of parents are homozygous for A and homozygous for B blood groups, these blood groups are not expected in their children

Consider the following. Assertion (A): Colostrum is absolutely essential for the newly born baby. Reason (R): It contains several antibodies that protect the newborn from initial sources of infections.

The protein perforin is released by

Choose the mismatched pair.

The photopigment visual purple is present in

Study the following and choose the correct statements.
• Sarcoplasmic reticulum is the store house of calcium ions.
• Thin filament of a myofibril is formed by actin, troponin and myosin molecules.
• Thick filaments of myofibril are held together by M-line.
• The portion of myofibril between two successive M-lines is called sarcomere.

Consider the following statements. Statement I: Main region of digestion in stomach in man is pyloric part. Statement II: Lipase of bile juice plays an important role in digestion of fats.

Reason for right side shift of oxygen--haemoglobin dissociation curve is

Consider the following. Assertion (A): The size of a population for any species is not a static parameter. Reason (R): The density of population in a given habitat during a given period fluctuates due to changes in four basic processes.

Consider the following. Assertion (A): In blood banks, clotting of blood is prevented by adding citrates or oxalates of sodium. Reason (R): Citrates or oxalates bind to Ca$^{2+}$ ions and prevent the activation of prothrombin.

It is a catadromous fish

Consider the following statements. Statement I: Cannabinoids are being abused by sports persons (doping). Statement II: Cocaine is involved in the transport of neurotransmitter dopamine.

Consider the following statements. Assertion (A): To control malaria, mosquitoes are to be eradicated. Reason (R): Mode of infection of Plasmodium is by inoculation through female Anopheles mosquito.

Choose the mismatched pair regarding cockroach.

Study the following and identify the correct statements.
• In cockroach, sub-oesophageal ganglion is the principal sensory centre.
• Ventral nerve cord of cockroach has only nine ganglia along its length.
• The images formed by ommatidia in nocturnal insects are called superposition images.
• During expiration, thoracic spiracles are kept open and abdominal spiracles are kept closed in cockroach.

Refractive region of ommatidium of cockroach

Consider the following statements. Statement I: In protozoans, gliding locomotion is brought about by myonemes. Statement II: Generally, in protozoans, asexual reproduction takes place during unfavourable conditions.