Q1.
MCQs, choose the correct option of following
1. A corm develops into new garlic plant. This process of reproduction is called;
(a) Vegetative propagation (b) Regeneration (c) Meiosis (d) Gametogenesis2.
2. Pollination is the transfer of pollens from;
(a) Anther to stigma (b) Stigma to anther
(c) Sepal to petal (d) Petal to sepal
3. Double fertilization in plants means;
(a) Fusion of two sperms with two egg cells
(b) Fusion of one sperm with egg cell and other sperm with fusion nucleus
(c) Fusion of two sperms with single egg cell
(d) Fusion of tube nucleus with fusion nucleus and sperm egg cell
4. Double fertilization is a feature of:
(a) Seedless plants (b) Gymnosperms (c) Flowering plants (d) Ferns
5. Some cells of ovary prepare structures called follicles, in which many __________are present
(a) haploid sperm (b) sperms (c) diploid oogonia (d) haploid oogonia
6. An organism’s expressed physical trait, such as seed colour or pod shape, is called its:
(a) Genotype (b) Phenotype (c) Karyotype (d) Physical type
7. There are ___ hydrogen bonds between adenine and guanine
(a) 1 (b) 2 (c) 3 (d) no bond
8. The mRNA carries the sequence of its nucleotides to ribosome called
(a) translation (b) transcription (c) recognition (d) none
9. Transmission of characteristics from parents to offspring is called as;
(a) Replication (b) Inheritance (c) Co-dominance (d) Mutation
10. The alternate forms of a gene are called as;
(a) Genome (b) Genotype (c) Alleles (d) None of these
11. Fundamental Principles of genetics were developed by; 10415053
(a) Lamark (b) Gregor Mendel (c) Charles Lyll (d) Charles Darwin
12. Buttercup is an example of;
(a) Wind pollinated flower
(b) Insect pollinated flower
(c) Water pollinated flower
(d) None of these
Subjective part: Short questions. Attempt all.
Q2. Attempt following:
1. What is dormancy of seed? When it breaks?
2. Differentiate between sexual and asexual reproduction.
3. What is Alternation of Generations in plants?
4. What is difference between cutting and grafting?
5. Give the difference between epicotyl and hypocotyl.
6. Differentiate between self and cross pollination
7. What are conditions for seed germination
8. Differentiate between spermatogenesis and oogenesis?
9. What features should be present in an organism used for genetic experiments?
10. Define Albinism
11. Define DNA replication. And write its purpose
12. Differentiate between genotype and phenotype.
.
Long questions. Attempt both
Q3. Explain Mendal’s law of independent assortment and draw Punnett square. (8)
Q4: define medals law of segregation and what was concluded form it? (4)