QUIZ ON HUMAN REPRODUCTION BIOLOGY ADDA BY KAIBALYA

 

Reproduction in Organism 12 th class biology DPP Biology Adda by Kaibalya

 Hii this is Kaibalya Nayak from Biology Adda by Kaibalya going to discuss some DPP with you on this chapter it includes Previous year questions and important question from different books. Let's Go . All the best.

1. Isogamous condition with nonflagelleted gametes is found in -

     (a) Volvox

     (b)Spirogyara

     (c)Fucus

     (d)All of the above

Ans - answer is B it's spirogyara produce non-flagelleted gamets but similar in size.

2. In Ginger vegetative propagation occurs through 

    (a)Runner

    (b) Rhizome

    (c)offset

   (d) Bulbils

Ans - Answer is B . Rhizome is underground perennial stem buds present the notes take part in formation of new ariel shoot.

3. Sexual reproduction generally produces- 

   (a) Parthenocarpy

   (b)New genetic variation 

   (c)Larger  biomas

   (d)Longer viability of seeds

Ans - Answer is b . New genetic variation.

4.Correctly matched

    (a)chlmydomonas   -    conidia

    (b)Yeast  -   Zoospores

    (c) Onion - Bulb 

    (d)Ginger  - Rhizome

Ans - Ans is C . Onion and Bulb is correctly matched.

5.No natural death in single celled organisms 

   (a)cant reproduce sexually

   (b)reproduce by binary fission

   (c)parent body is distributed among offsprings

   (d)They are microscopic

ans -  (c)parent body is distributed among offsprings

6._______ species flowers only once in life time.

   (a)Bamboo species

   (b)Jackfruit

  (c)Papaya

  (d)apple

Ans - (a)Bamboo species

7. Female gametes develops into an embryo without fertilisation this is called

     (a)Autogamy

     (b)Triple fusion

     (c)Syngamy

    (d)Parthenogenesis

ans -  (d)Parthenogenesis

8. The number of chromosomes in shoot tip cell of a zea mays is 20. The number of chromosomes in the microspore mother cell of the same plant shall be

    (a)20

    (b)10

    (c)15

    (d)40

Ans -  (a)20

9.Types of reproductiondepends upon

    (a)Habitat

    (b)physiology

    (c)Genetic makeup

    (d)All the above

Ans -   (d)All the above

10. Banana reproduce by 

     (a)Rhizome

    (b)offset

    (c) conidia

    (d)All

Ans - (a)Rhizome

                 

            Enjoy this questiom another part will be released soon. Good Luck