Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

Which of the following cells secrete a myelin sheath?
Gaps in myelin sheath are called as __________
Myelin sheath is derived from ___________
Which of the following is the disease of myelin sheath?
Myelin sheath is composed mainly of _____________
_______________ produce the myelin sheath insulating neuronal axons.
Column A lists the cell parts and Column B lists the functions of the cell part. Column A Column B i. Cell wall A. Control what happens ii. Cell membrane B. Supports the cell. iii. Cytoplasm C. Controls what passes in and out of the cell. iv. Nucleus D. Cell reactions happen in it. Which one of the following options is correct?
Consider the following statements and choose the correct answer:
1. C4 plants have "Kranz" type of leaf anatomy
2. The vascular bundles in C3 leaves are surrounded by a layer of bundle sheath cells that contain large number of chloroplast
3. The chloroplast in C4 leaves are dimorphic
4. In C4 plants the cells of bundle sheath perform C4 cycle
Two statements are given followed by four conclusions numbered I, II, III and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. Some forms are open ended. II. All close ended are forms. Conclusions: I. No open ended are forms. II. Some close ended are open ended. III. No forms are close ended. IV. All open ended are close ended.
Which of the following represents correct set of the cells and their shapes in human beings A Nerve cell i) flat shaped B Red blood cell ii) disc shaped C White blood cell iii) long and thin D Muscle cell iv) changing shapes E Skin cell v) long and branched