The wheat grain has an embryo with one large, shield-shaped coty

Subject

Biology

Class

NEET Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

1.

Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem:
(a) Secondary cortex
(b) Wood
(c) Secondary phloem
(d) Phellem
The correct order is

  • (c), (d), (b), (a)

  • (a), (b), (d), (c)

  • (d), (a), (c), (b)

  • (d), (a), (c), (b)

3724 Views

2.

Chromatophores take part in

  • Photosynthesis

  • Growth

  • Movement 

  • Movement 

1990 Views

3.

Which of the following joints would allow no movement?

  • Fibrous joint

  • Cartilaginous joint

  • Synovial Joint

  • Synovial Joint

1181 Views

Advertisement

4.

The wheat grain has an embryo with one large, shield-shaped cotyledon known as

  • Epiblast

  • Coleorrhizia

  • Scutellum

  • Scutellum


C.

Scutellum

The grain of wheat, maize or rice is a caryopsis. The embryo in such grains lies laterally near the base of the grain. The embryo consists of an upper large, shield-shaped cotyledon known as scutellum. The scutellum is closely pressed against the endosperm and helps in the translocation of nutrients from endosperm to the growing embryo at the time of germination and seedling growth. 

1239 Views

Advertisement
Advertisement
5.

Which of the .following structures is not found in a prokaryotic cell?

  • Nuclear envelope

  • Ribosome

  • Mesosome

  • Mesosome

1110 Views

6.

The imperfect fungi which are decomposer of litter and help in mineral cycling belong to

  • Deuteromycetes

  • Basidiomycetes

  • Phycomycetes

  • Phycomycetes

1140 Views

7.

Column-I

Column-II
Thylakoids Dis-shaped sacs in Golgi apparatus C
Cristae Condensed structure of DNA
Cisternae flat membranous sacs in stroma 
Chromatin Infoldings mitochondrial
  • Codes 
         
    A   B    C    D
          4   3     1     2

      
  • Codes 
         
    A     B    C    D
         3      4     1      2
  • Codes
                 
    A   B   C    D
                  3   1    4    2
  • Codes
                 
    A   B   C    D
                  3   1    4    2
934 Views

8.

During biological nitrogen fixation inactivation of nitrogenase by oxygen poisoning is prevented by

  • Leghaemogolobin

  • Xanthophyll

  • Carotene

  • Carotene

1337 Views

Advertisement
9.

Which one of the following hormones is not involved in sugar metabolism?

  • Cortisone

  • Aldosterone

  • Insulin

  • Insulin

1295 Views

10.

Which of the following is not a function of the skeletal system?

  • Production of erythrocytes

  • Storage of minerals

  • Production of body heat

  • Production of body heat

1096 Views

Advertisement