Are you ready for NEET (Medical Entrance) - CHECK YOURSELF NOW

CONFIDENCE BUILDER FOR NEET ASPIRANTS

Dear Students (medical aspirants),

        Now the time has come for you to be in your best competitive spirits. As the exam date is nearing, you need to bulid more confidence by practicing MCQs. Here I am  presenting you WARM UP EXERCISE- 1 completely based on NCERT (XI) . This will make you more efficient in solving various types of questions in your upcoming Medical Entrance Examination. Go through the questions below based on topic ‘PLANT KINGDOM’.  Answers for these questions will be given along with the next exercise. ALL THE BEST.

Shalini Tripathi Sharma

Warm up exercise for NEET

 PLANT KINGDOM (NCERT based questions)

1)      Mark the  incorrect statement w.r.t  Artificial classification

1.       Sexual system is the artificial system based on androecium structure .

2.       It gives more importance to reproductive structures as compared to vegetative structures.

3.       It separates closely related species as it is based on few characteristics.

4.       Believes that vegetative characters are as stable as reproductive.

2)     How many of the statement/s are correct

a.       Numbers and codes are assigned in cytotaxonomy.

b.      Adensonian taxonomy use computers and is based on only anatomical data.

c.       Natural affinities are ultrastructure , anatomy , embryology, phytochemistry and morphology

d.      Chemical constituents of the plant are used to resolve confusions in chemotaxonomy.

1.       a and  b  only            2. b and c only         3. a and d only                      4. c and d only

                                                                        

3)      Find the incorrect statement/s

1.       Chlamydomonas – motile isogamous only.

2.       Volvox –  oogamous only.

3.       Fucus –    oogaomous only.

4.       Spirogyra- non motile isogamous only.

 4) Which of the following algae is not edible

         1. Porphyra                   2. Laminaria                      3. Sargassum                               4. Chara

 5)  How many statement/s are incorrect among the following

        a. Most advanced type of sexual reproduction can be seen in green alga

        b. r-phycoreythrin  is present in red alga

        c. Brown algae has kidney shaped biflagellate zoospores.

        d. Pyrenoids in green algae contain fat besides starch

        e .Kelps are the giant brown algae that can reach to the height of 100 metres.

       1.Five                       2.  Three                          3. Four                                     4.   Two

6) In brown algae the shape of zoospores and gametes is ________ and________ shaped respectively

1.       Kidney , pear

2.       Pear, kidney or bean shaped

3.       Both are bean shaped

4.       Both are pyriform in shape

7) How many are statement/s  are incorrect with respect to bryophytes

     a. Sex organs in bryophytes are multicellular

     b. Zygotes undergo equatorial division only

     c. Spores are produced in sporophyll

     d. Bryophytes are of great economic importance

     e. Fertilization is direct, oogamous and zooidogamous

        1. One                    2. Two                             3. Five                                        4. Four

8) Mark the incorrect matches in the table below

BASIS	MARCHANTIA	ANTHOCEROS	FUNARIA
a.  Rhizoids	Unicellular	Multicellular	Multicellular
b. Plant Body	N	N	N
c. Sporophyte	N	2n	N
d. Spore dispersal	Elaters	Pseudoelaters	Peristomial teeth

                                

1.       c and d                   2.  a and b                 3.  a and c                       4.  a and d

 9) Mark the correct option with respect to Marchantia

        1. Asexual reproduction takes place by fragmentation and gemma

        2. Gemmae are chlorophyllous , unicellular, asexual buds

        3. During sexual reproduction  , reproductive organs are always produced on different  thalli.

        4. Sporophyte is differentiated into foot seta and capsule and is self sufficient

10)  Mark the incorrect match

      1. Funaria  – Vegetative  reproduction by fragmentation only

      2. Riccia – Sporophyte is represented by capsule only

      3. Merchantia – Embryo is absent

     4. Anthoceros – Contain  a pyrenoid

11) Mark the incorrect statement

   1. They were first tracheophytes

   2. Plant body and spores have same ploidy

   3. In Salvinia prothallus is short lived

   4. In Selaginella the development of embryos take place within the female gametophytes

12)  In Gymnosperms

      1. Megaspore mother cell is differentiated from nucellus which is haploid.

      2. Male gametophyte is released in 4 celled stage.

      3. Male and female gametophytes have independent existence.

      4. They are also known as ‘phanerogames without ovary’.

13) Find the odd one out w.r.t. Plant life cycle

      1. Ectocarpous                2. Polysiphonia                 3.  Funaria            4. Fucus

14) The endosperm in Gymnosperms is

           1. Formed after fertilisation                          2.  Haploid              

           3. Formed before fertilization                       4. Both 2 and 3