Home
Class 9
BIOLOGY
Read the given passage in which some wor...

Read the given passage in which some words are italicised and answer the following questions.
The nervous tissue consists of special nerve cell called cyton. The cell is divided into axon and neuron. The cyton has thread-like structures extending from it called X. The axon ends into terminal branches that form a Y with other nerve cells.
Select the option that correctly identifies X and Y.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TISSUES

    SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION (HOTS)|5 Videos
  • NSO QUESTION PAPER 2020 SET 1

    SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|1 Videos
  • WHY DO WE FALL ILL

    SCIENCE OLYMPIAD FOUNDATION |Exercise MULTIPLE CHOICE QUESTIONS (ACHIEVERS SECTION (HOTS))|5 Videos

Similar Questions

Explore conceptually related problems

The given figures shows plasmolysis in cell. A is normal turgid cell, B shows incipent plasmolysis and C is plasmolysed cell. Select the right option in which W, X, Y and Z are correctly identified

Read the passage given below and answer the following questions: The objects which are non-superimposable on their mirror image (like a pair of hands) are said to be chiral and this property is known as chirality. Chiral molecules are optically active, while the objects, which are, superimposable on their mirror images are called achiral. These molecules are optically inactive. The above test of molecular chirality can be applied to organic molecules by constructing models and its mirror images or by drawing three dimensional structures and attempting to superimpose them in our minds. There are other aids, however, that can assist us in recognising chiral molecules. One such aid is the presence of a single asymmetric carbon atom. In these questions a statement of assertion followed by a statement of reason is given . Choose the correct answer out of the following choices. Assertion (A): Butan-2-ol is a chiral molecule. Reason (R): It has 4 different groups attached to carbon atom.

Figure depicts microsopic structure of the intestinal wall of alimentary canal. Study the figure and answer the following question? (i) The wall of alimentary canal consists of 4 main concentric coats labelled as 1,2,3 and 4. Name these coats. (ii) The coat marked 2 has two layers marked as 5 and 6. Between these two layers is a network of nerve cells and para-sympathetic nerve fibres called..... It controls the ....... (iii) The coat marked 3 is highly vasucular connective tissue having another network of nerve cells and sympathetic nerve fibres called...... . it controls the secretion of ........ (iv) Name the parts labelled as 7 and 8

Read the passage given below and answer the following questions 53-55. The electrochemical reduction of benzaldehyde and p-tolualdehyde has been achieved by diphenyl ditelluride and diphenyl diselenide as catalyst using undivided cell containing graphite (cathode) and aluminium (anode) electrodes. The products of electrochemical reduction are benzyl alcohol and p-methyl benzyl alcohol. They are characterised by by melting and boiling points. The yields of alcohol depends upon the kind of dichalcogenides compounds. The reduction is carried out in atmosphere of nitrogen. p-methyl benzaldehyde on reduction gives p-methyl benzyl alcohol. Identify X in the following reaction CH _(3) - CH = CH - CHO overset( NaBH ^(4))to'X' is

Refer to the given passage and answer the following questions. P, Q and R are acoelomate organisms whereas S and T are true coelomates. P possesses cellular level of body organisation whereas others possess tissue and organ level of body organisation. Q possesses special stinging cells called cnidoblasts. R is the first triploblastic animal and has flame cells as excretory organs. The body of S is metamerically segmented whereas T bears jointed appendages and chitinous exoskeleton. Which of the following is incorrect regarding organisms P, Q, R, S and T?

Read the following text and answer the following questions on the basis of the same: A typical anther is bilobed. It is a tetragonal structure consisting of four microsporangia. These microsporangia form pollen sac which on maturity gets filled with a pollen grains. Pollen grains represent the male gametophytes, their cell wall is very hard. Pollen grains of many species cause severe allergies which cause various diseases in human beings. The prominent pollen grain aperture called germ pore is present in

Read the following text and answer the following questions on the basis of the same: A typical anther is bilobed. It is a tetragonal structure consisting of four microsporangia. These microsporangia form pollen sac which on maturity gets filled with a pollen grains. Pollen grains represent the male gametophytes, their cell wall is very hard. Pollen grains of many species cause severe allergies which cause various diseases in human beings. Study of pollen grains is called ...........

Read the following text and answer the following questions on the basis of the same: A typical anther is bilobed. It is a tetragonal structure consisting of four microsporangia. These microsporangia form pollen sac which on maturity gets filled with a pollen grains. Pollen grains represent the male gametophytes, their cell wall is very hard. Pollen grains of many species cause severe allergies which cause various diseases in human beings. Assertion (A) : The innermost layer of microsporangium is called tapetum. Reason (R) : Tapetum nourishes the develop into pollen grains.