PAPER BIOLOGY CLASS 10TH CHAPTER 15TH MARKS: 30 Time 1H
QUESTION PAPER FOR MATRIC 10TH CLASS BIOLOGY 2020
Q#1 ENCIRCLE THE CORRECT ANSWER
PLEASE SELECT THE MOST APPROPRIATE OPTION
1) How many genetically different kinds of gametes an involved with genotype GGgg can produce
a) 1 b) 2 c) 3 d) 4
2) The bred animals are called
a) cultivars b) verities c) bred d) breeds
3)which is not an example of continuous variation
a)weight b)intelligence c)blood group d) feet size
4) Which of the following is not an example of homozygous genotype?
a)AA b)bb c) dD d)dd
5) Chromatin material is composed of
a) Protein b) DNA c) RNA and protein d) DNA, protein
6) What is the phenotype ratio in the law of independent assortment?
a)9:3:1:4 b)9:3:1:3 c)9:1:1:3 d)9:3:3:1
7) These units ‘of inheritance are
a) DNA b) alleles c) phenotype d) genes
8) In human no. of homologous chromosomes are
a) 23 b) 46 c) 45 d) 47
9) The specific combination of gene in an individual
a) genotype b) genome c) phenotype d) albinism
10) Albinism is a
a) homozygous recessive trait b) heterozygous codominant trait
c) Homozygous dominant trait d) heterozygous recessive trait
Biology Online School Biology, Human Biology Class, BIOLOGY NCRT NEET
Q#2: Attempt all questions (2×10=20)
1. What do you know about inheritance?
2) How nucleosomes are formed?
3. How DNA of the chromosome works?
4) What is the difference between genotype and phenotype
5) explain phenotype with the example of albinism
6) what do you know about contrasting traits give 4 examples
7) how codominance differ from incomplete dominance?
8) What is the artificial selection with example
9) what do you know about Lamarck and Buffon?
10) Which two processes are included in organic evolution?
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