Write 14 Conceptual Multiple Choice And Included Answer Key For Each Question Fo

Question

Write 14 Conceptual Multiple Choice And Included Answer Key For Each Question For "All4 Images Below The Single-Factor Cross Defn: tracking only one character during a cross The Monohybrid Cross Defn: crossing (mating) two organisms that differ in only one character Appearan Purple flewersWhite fwers Purple fowers Purple flowers ” homozygous Purple Rowers The Single-Factor Cross Defn: tracking only one character during a cross male The Test Cross Given a dominant phenotype, how could you determine its genotype? OR Purple flowers Purple flowers female Punnett square

Explanation / Answer

Fig.1

1. Monohybrid cross considered with ---------- Ans (a)

a) One contrasting character b) Two contrasting characters c) One pair of contrasting characters d) All the above

2. Monohybrid cross explains---------- Ans (d)

a) Law of segregation b) Law of independent assortment c) Law of purity of gametes d) Both a and c

3. In genetic terminology, genes encoded with--------- (a)

a) Alphabets b) Numerical c) symbols d) None

4. Each character represented by with how many characters/ alphabets-------- (b)

a) 1 b) 2 c) 3 d) 4

5. In "p generation" p-stands for ----------- (c)

a) progeny b) Filial c) parents d) none

6. In given image parents are----------(b)

a) heterozygous b) homozygous c) both a and b d) none

7. Multiple forms of gene are ------------(c)

a) Dominant b) recessive c) allele d) none

8) Alleles which can express in ---------(c)

a) Homozygous condition b) heterozygous condition c) both a and b d) none

9) Dominant allele means which can express in ---------(d)

a) Homozygous condition b) Heterozygous condition c) Hemizygous d) All the above

10) Recessive allele means which can express in----------(a)

a) Homozygous condition b) Heterozygous condition c) Hemizygous d) All the above

11. In F1 generation F stands for------------- (b)

a) gametes b) filial c) Both a and b d) None

12. From the fig.1, progeny in F1 generation------------(b)

a) all are homozygous b) all are heterozygous c) some are homozygous d) some are heterozygous

13. white flower/ purple flowers represent -------------(b)

a) Dominant/Recessive b) Recessive/ Dominant c) Dominant d) Recessive

14. From the given Fig.1 which of the following is correct---------(d)

a) Phenotype: Purple & Genotype:PP

b) Phenotype: White & Genotype: pp

c) Phenotype: Purple & Genotype: Pp

d) All the above

Fig.2 and 3

1. The cross which is used to track only one character----------(a)

a) Single factor cross b) Multiple factor cross c) Two-factor cross d) none

2. Single factor cross parents are ( Fig2) -------------(b)

a) Homozygous b) Heterozygous c) Both a and b d) none

3. Both parents are having---------- (b)

a) White flowers b) purple flowers c) white and purple d) intermediate between white and purple

4. Single factor cross depends on ----------- (d)

a) Only character b) Sex of the parents c) both a and b d) information not sufficient

5. Number of gametes formed by each parent individually ------------- (b)

a) 1 b) 2 c) 3 d) 4

6) Types of gametes formed by each parent individually -------------- (c)

a) 4 b) 3 c) 2 d) 1

7. Type of gametes formed by both the parents ---------------(b)

a) 1 b) 2 c) 3 d) 4

8. The color of flowers from the male parent ----------------- (a)

a) Purple b) white c) Pink d) Intermediate between purple and white

9. The color of flowers from the female parent ----------------- (a)

a) Purple b) white c) Pink d) Intermediate between purple and white

10 Expected progeny from the given cross------------ (c)

a) Purple b) white c) both a and b d) Intermediate between purple and white

11. The arranged format of progeny genotype is called---------(b)

a) Square box b) Punnett box c) rectangle box d) both a and c

12 The phenotypic ratio from the given cross------------(a)

a) 3 purple: 1 white b) 1 purple: 3 white c) all are white d) all are purple

13 The genotypic ratio from the given cross ----------- (c)

a) 1:3 b) 3:1 c) 1:2:1 d) 2:1:2

14. General representation of Phenotypic and genotypic ratio-----------(a)

a) 3:1/1:2:1 b) 1:2:1/3:1 c) 1:3/ 1:2:1 d) 1:2:1/ 1:3

Fig.4

1. Cross determined to perform the genotype of parents --------------(a)

a) Test cross b) Monohybrid cross c) Dihybrid cross d) none

2. Test cross means------------- (c)

a) cross between F1 progeny with either of the parents

b) cross between F1 progeny with dominant parent

c) cross between F1 progeny with recessive parent

d) Test cross means just for testing of samples randomly

3. The test cross is part of ------------- (d)

a) Epistasis b) Cytoplasmic inheritance c) linkage d) backcross

4. Expected progeny from the given cross Pp (F1) X pp (recessive parent)----------- (d)

a) All are Pp b) All are pp c) Mostly Pp with less pp d) Both Pp and pp are equal

5 Expected progeny from the given cross PP (F1) X pp (recessive parent)----------- (a)

a) All are Pp b) All are pp c) Mostly Pp with less pp d) Both Pp and pp are equal

6. If the cross between P-X pp, the progeny showed only purple color flowers, this indicated that the genotype of parent is --------------(c)

a) pp b)Pp c)PP d) PP/Pp

7. If the cross between P-X pp, the progeny showed both purple color and white color flowers in their progeny

, this indicated that the genotype of parent is --------------(b)

a) pp b)Pp c)PP d) PP/Pp

8) Genotypic ratio of PpXpp ----------- (a)

a) 1:1 b)1:3 c)3:1 d) 1:2

9) Genotypis ratio of PPXpp------------- (d)

a) 1:1 b) 1:3 c) 3:1 d) Only one genotype observed

10) In test cross............... (b)

a) Genotypec ratio and phenotypic ratio is different

b) Genotypec ratio and phenotypic ratio is Same

c) Cant predict

d) Information not sufficient

11. Why only homozygous recessive parent used in test cross----------------------- (c)

a) It does not influence the phenotype b) It can express in homozygous condition c) both d) none

12 Backcross means........... (a)

a) cross between F1 progeny with either of parents

b) cross between F1 progeny with dominat parent

c) cross between F1 progeny with recessive parent

d) Not with parents

13. law of segregation observe in------------- (d)

a) Monohybrid cross b) Backcross c) Test cross d) all the above

14. Law of independent assortment explained by ---------(d)

a) Dihybrid cross b) Test cross with one character c) Test cross for two characters d) both a and c

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