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The following are the statements about nonchordates: A. Pharynx is perforated by gill slits. B. Notochord is absent. C. Central nervous system is dorsal. D. Heart is dorsal if present. E. Post anal tail is absent. Choose the most appropriate answer from the options given below:
B, D and E only
2.B, C and D only
3.A and C only
4.A, B and D only
Assertion: Vacuole have significantly higher concentration than in the cytoplasm.
Reason: In plants, the tonoplast facilitates the transport of a number of ions and other materials along concentration gradients into the vacuole.
In the light of the above statements, choose the most appropriate answer from the options given below:
A is correct but R is not correct.
2.A is not correct but R is correct.
3.Both A and R are correct and R is the correct explanation of A.
4.Both A and R are correct but R is NOT the correct explanation of A.
Match List I with List II:
| Diakinesis | Synaptonemal complex formation |
| Pachytene | Completion of terminalisation of chiasmata |
| Zygotene | Chromosomes look like thin threads |
| Leptotene | Appearance of recombination nodules |
A-II, B-IV, C-I, D-III
2.A-IV, B-III, C-II, D-I
3.A-IV, B-II, C-III, D-I
4.A-I, B-II, C-IV, D-III
Following are the stages of cell division:
A. Gap 2 phase B. Cytokinesis C. Synthesis phase D. Karyokinesis E. Gap 1 phase
B-D-E-A-C
2.E-C-A-D-B
3.C-E-D-A-B
4.E-B-D-A-C
Quaternary structure of protein do not undergo denaturation.
Universal Recipient is the person with blood group-
O+
2.O-
3.AB+
4.AB-
Which blood cells are involved in leukaemia?
RBC
2.WBC
3.Platelets
4.All of the above
Which of the following produce antibodies?
Monocytes
2.Eosinophils
3.Neutrophils
4.Lymphocytes
RBC count is lowered during-
Exercise
2.Normal activity
3.A stay at hill station
4.Sleep
The essential fluids that are contained in our body primarily includes:
Blood
2.Lymph
3.Tissue fluid
4.All
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