Biology 12th mcq (Reproduction in organism)

 

Question.1.Development of new individual from female gamete without fertilisation is termed as .............

( embryogenesis /parthenogenesis.)

Question 2. Fertilisation cannot occur in absence of surface water in..........

                    ( Funaria / Pinus)

Question 3. Life begin in all sexually reproducing organisms as a.............

                      ( single-celled zygote / double-celled zygote)

Question4. Viviparity is found in ...............  (Sharks/ lizards)

Question 5. Vegetative propagation is the term used for ............ .........

                       (asexual reproduction in animals/ asexual reproduction in plants)

Question 6. ‘Clones’ are individuals that have exactly the same.........................

                       ( growth rate/ genetic makeup.)

Question 7. .....................has the longest life span.

(Banyan tree/ tortoise)

Question 8. If a fungal thallus has both male and female reproductive structures, it will be called ............. ( heterothallic/ homothallic)

Question 9.

 Oestrous cycle is reported in...............

         ( cows and sheep / humans and monkeys)

Question 10. 

Clear cut vegetative, reproductive and senescent phases cannot be observed in .......................

                 (annual plants / perennial plants)

Question 11. 

Strobilanthus kunthiana flowers once in................    (12 years/20 years)

Question 12. 

Strobilanthus kunthiana differs from bamboo in........................................                       ( length of juvenile phase/ being polycarpic)

Question 13.

 The growth phase of an organism before attaining sexual maturity is referred to as

( juvenile phase/ Senescent phase)

Question 14. 

 Slow metabolism , cessation of reproduction and  decreased immunity of  organism’s life span can be recognised by ............................ ( Vegetative phase/ Senescent phase)

Question 15. 

  ..................monocarpic plant.

(Bamboo /Mango)

Question 1.

 Earthworm is ...............

                            ( Unisexual/Bisexual)

Question 2.

        ...........  is an example of rhizome.

(Colocassia/ Ginger)

Question 3.

Budding is the example of .............

(Vegetative reproduction/Tissue culture)

Question 4.

Asexual reproduction in Penicillium fungus usually takes place through...............

(Conidia/ Gemmules)

Question 5.

In potato, ..........

 structure takes part in vegetative reproduction.

(Apex bud of stem/Germinating eye bud)

Question 6.

............. is viviparous.

(Cockroach/Scorpion)

Question 7.

In higher plants, fertilization is ...........

(External/ Internal)

Question 8.

The reproduction takes place by gemma in .......

(higher plants/ some bryophytes)

Question 9.

The example of bulb is...........

( Onion/Potato)

Question 10.

The organism similar to parent can be obtained by..........

(Zygote/Binary fission)

Question 11.

Vegelative reproduction takes place in Bryophyllum by ........

( buds/ leaves)

Question 12.

Vegetative reproduction takes place in Agave by .......

(bulbils/rhizome)