Question 4 :
The number of chromosomes in the shoot tip cells of maize plant is 20. The number of chromosomes in the microscopic mother cells of the same plant shall be—

Question 5 :
Which of the following is a post-fertilization event in flowering plants?

Question 7 :
Which one of the following processes result in the formation of clone of bacteria ?

Question 8 :
There are various types of reproduction. Die type of reproduction adopted by an organism depends upon—

Question 10 :
Which of the following animal Ls having longitudinal binary' fission ?

Question 11 :
<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ISC%20-%20Class%2012/5f7d5946fb4627429f3a8962"><br>State the type of gametes shown in the diagram.<br>

Question 16 :
When seeds are attached to parent plant, the type of germination in known as—

Question 17 :
Which of the following statement support the view that elaborate sexual reproductive process appeared much later in the organic evolution ?<br>(i) Lower group of organisms have simpler body design<br>(ii) Asexual reproduction is common in lower groups of organisms<br>(iii) Asexual reproduction is common in higher groups of organisms<br>(iv) The high incidence of sexual reproduction in angiosperms and vertebrates<br>Choose the correct answer from the options given below -

Question 18 :
A scion is grafted to stock. The quality of fruits produce will be determined by genotype of—

Question 19 :
Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses ?

Question 22 :
There is no natural death in single celled organisms like Amoeba and Bacteria because—

Question 25 :
Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because:

Question 27 :
In which of the following organism, self fertilization is seen ?

Question 28 :
Which part would be most suitable for raising virus free plants for micropropagation ?