Home
Class 12
BIOLOGY
The permanent teeth I. are of four typ...

The permanent teeth
I. are of four types- incisors, canines, permolars and molars.
II. Began to replace the milk teeth in the 6th year of age.
III. Are 32 and usually completed by 18-25 years.
IV. Are 20 in children
Choose the option with correct statement(s).

A

I, II and III

B

II, III and IV

C

Only III

D

Only IV

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • DIGESTION AND ABSORPTION

    ARIHANT NEET|Exercise Chapter Exercise Assertion and reason|7 Videos
  • DIGESTION AND ABSORPTION

    ARIHANT NEET|Exercise Chapter Exercise Medical entrance s gallery|87 Videos
  • DIGESTION AND ABSORPTION

    ARIHANT NEET|Exercise Chapter Exercise Taking it together|207 Videos
  • CHROMOSOMAL BASIS OF INHERITANCE

    ARIHANT NEET|Exercise Chapter Exercise Medical entrances gallery (Collection of questions Asked in NEET and Various medical Entrance Exams)|76 Videos
  • ECOSYSTEM

    ARIHANT NEET|Exercise Exercises C Medical entrances gallery (collection of questions Asked in NEET & Various Medical Entrance Exams)|77 Videos

Similar Questions

Explore conceptually related problems

In meiosis, I. every chromosome behaves independently, II. Homologous chromosomes show pairing. III. Found in somatic cells. IV. Crossing over occurs. Choose the option with correct statement(s).

In pseudostratified columnar epithelium, the I. epithelium appears as multilayered. II. cells are of more than one type . III. longer cells extend upto the free surface, while the short cells do not reach the free surface. IV. membrane is multilayered, but appears single layered. Choose the option with the correct statements.

Knowledge Check

  • Prophase of meiosis includes I. Leptotene II. Pachytene III. Cytokinesis IV. Kayokinesis Choose the option with correct statement(s).

    A
    Only I
    B
    I and II
    C
    I,II and IV
    D
    Only II
  • Which of the following are types of granulocytes'? I. Ncutrophils II. Acidophils III. Lymphocytes IV. Monocytes Choose the option with the correct: statements.

    A
    I and II
    B
    II and llI
    C
    lII and IV
    D
    All of these
  • The proteins present in myofilaments are I. gloulin II. Actin III. Haemoglobin IV. Tropomyosin Choose correct option with correct statements (s).

    A
    I and III
    B
    II and IV
    C
    III and IV
    D
    Only IV
  • Similar Questions

    Explore conceptually related problems

    Consider the following four compounds I, II, III, and IV. Choose the correct statement(s).

    Which of the following statements is/are correct? I. Striped muscles are in the form of bundles of cells. II. The Pal muscle fibres, which are called fasciculi. III. Skeletal muscles form the largest tissue in the body. IV. Cardiac muscles in the embryo are originated from mesenchyma cell. Choose the option with the correct statement(s).

    Consider the following statements about Proconsul? I. It is the intermediate between apes and man. II. Its uinine teeth were small, but molar teeth were broad and flattened. III. It had man like forehead and face was prognathous. IV. It walked erect on its hind legs. Choose the incorrect statements.

    Which of the following processes involve(s) mitosis? I. production of new sperms cells. II. Propagation of carrot plants by underground roots. III. Deelopment of the zygote into an embryo. IV. Replacement of worn-out muscle tissue. Choose the option with correct statement(s).

    Water pollinated flowers are I. Small colourless and inconspicuous. II. Odourless and nectarless. III. Produces light, dry and non-sticky pollen grains. IV. Produces pollen grains having mucilaginous covering. Choose the correct option with correct statement(s). a) I, II and IV b) I and IV c) Only I d) All of the above