Welcome to your Heredity and Evolution MCQs Mock Test of 10th Class Science
1.
Q1- Which one is possible progeny in F2 generation of pure breed tall with round seed and short plant with wrinkled seed ?
2.
Q2. A character which is expressed in hybrid is always ________.
3.
Q3- Each cell has two copies of each chromosome ________.
4.
Q4- A Mendelian experiment consisted of breeding of tall pea plants bearing violet flowers with short pea plants bearing white flowers. The progeny all bore violet flowers but almost half of it were short. This suggests that the genetic makeup of tall parent can be depicted as :
5.
Q5- In few reptiles, the ___ at which fertilized eggs are kept determines the sex of offspring .
6.
Q6- The frequency of certain genes in a population changed over generations. This is the essence of the idea of ___
7.
Q7- In few reptiles, the ___ at which fertilized eggs are kept determines the sex of offspring .
8.
Q8- Men have a ___ pair of sex chromosomes .
9.
Q9- Two pink coloured flowers on crossing resulted in 1 and 2 pink and 1 white flower progeny. The nature of cross will be :
10.
Q10. The basket of vegetables contains carrots, potato, radish and tomato. Which of them represents the correct homologous structures ?
11.
Q11- Theory of evolution is given by _____.
12.
Q12- Which of the following is not controlled by genes ?
13.
Q13- The two versions of trait which are brought in by female and male gametes are situated at :
14.
Q14- Homologous organs have ______
15.
Q15- The preserved traces of living organisms are called ________.
16.
Q16- The rule of _____determines the process by which traits and characteristics are reliably inherited .
17.
Q17- From below, select the character that is acquired not inherited ?
18.
Q18- DNA is the information source for making ___in cells .
19.
Q19- Following have four limbs________.
20.
Q20- If this enzyme works efficiently then __________.
21.
Q21- A cross between tall plant (TT) and short pea plant (tt) is inherited in progeny that were all tall plants because : t
22.
Q22- ___is used for studying human evolution .
23.
Q23- The earliest member of human species, Homosapiens can be traced from :
24.
Q24- If a round green seeded plant (RRyy) is crossed with wrinkled, yellow seeded plant (rrYY),the seeds produced in F1 are :
25.
Q25- The exchange in genetic material takes place in _____.
26.
Q26- Select the correct statement.
27.
Q27- Which of the following statements is incorrect ?
28.
Q28- In peas, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tall to short plants in F2 is ?
29.
Q29- The maleness of a child is determined by ___.
30.
Q30- New species may be formed if ______.
31.
Q31- Select the incorrect statement :
32.
Q32- The number of sex chromosomes in zygote of humans is_______.
33.
Q33- Select the group which shares the maximum number of common characters?
34.
Q34- In human males all the chromosomes are paired perfectly except one. These unpaired chromosomes are _______.
35.
Q35- If the fossil of an organism is found in the deeper layers of earth, then we can predict that __________.
36.
Q36- In evolutionary terms , we have more in common with _____________.
37.
Q37- An example of homologous organs are ___________.
38.
Q38- According to evolutionary theory, formation of a new species is generally due to ________.
39.
Q39- Some dinosaurs had feathers although they could fly but birds have feathers that help them to fly. In the context of evolution this means that ———–.
40.
Q40- Which of the following is totally impossible outcome of Mendel’s Experiment?
41.
Q41- Which of the following statements is not true with respect to variation?
42.
Q42- A trait in an organism is influenced by__________.
43.
Q43- Select the group which shares maximum number of common characters ?
44.
Q44- According to the evolutionary theory, formation of a new species is generally due to _____.
45.
Q45- Which of the following is totally impossible outcome of Mendel’s experiment ?
46.
Q46- Which of the following is not a direct conclusion that can be drawn from Mendel’s Experiment?
47.
Q47- Which section of DNA provides information for one protein?
48.
Q48- What is the probability that the male progeny will be a boy?
49.
Q49- Who have a perfect pair of sex chromosomes?
50.
Q50- With whom you can associate theory of evolution?
