32- Into.......... the egg gets rid of half of its chromosomes, (polar bodies - spores - gametes)
32- polar bodies.
33- The...... demands male and female gametes. (sexual reproduction - asexual reproduction - conjugation)
33- sexual reproduction
34- The alternation of generation in animal occurred in the life cycle of............. (plasmodium malaria - bilharzia - both of them)
34- both of them.
35- The plasmodium is a.............. animal (sporozoan - spores - diploid cell)
35- sporozoan
36- The sporozoits live in the....... of the mosquito. (stomach cavity - stomach wall - salivary glands)
36- salivary glands.
37- The infected stage of the plasmodium malaria is the........... (sporozoits - merozoites - trophozoits)
37- sporozoits.
38- The sporozoits reproduce inside the hepatic cell by............ (regeneration - shizogony - sporogony)
38- shizogony.
39- The merozoits infect the red blood cells after............. (incubation period - 3 days - 4 days)
39- incubation period.
40- The zygote in the life cycle of the plasmodium malaria grows into...................... (ookenite - sporocyst - sporozoits)
40- Ookenite.
...
41- The male gametocytes produce............. in the stomach cavity of the mosquito. (male gametes - male spores - male gamete)
41- male gametes.
42- The asexual reproduction in the stomach wall of the mosquito occurred by.............. (sporogony - shizogony - regeneration)
42- sporogony.
43- The plasmodium is............ organism. (diploid - haploid - triploid)
43- haploid.
44- The shizogony of merozoits in the red blood cells give millions of merozoits each............. (2 days - 3 days - 4 days)
44- 2 days.
45- The life cylce of........... includes two phytes which are sporophyte and gametophyte. (adiuntum - plasmodium - both of them)
45- adiuntum.
46- The male organs in of the gametophyte of the adiantum is the................ (antheridia - archegonia - ovary)
46- antheridia.
47- The spore in the life cycle of the adiantum grow into.............. (sporophyte - gametophyte - sporocyts)
47- gametophyte.
48- The sporocyst is............ (haploid - diploid - triploid)
48- diploid.
49- The spores are produced by the meiotic division of the............... (spore mother cells - ovule - swimming cells)
49- spore mother cells.
50- The life cycle of the adiuntum starts by the............. (sporophyte - gametophyte - spores)
50- sporophyte.
...
51- On the underside of the green leaves of the sporophyte exist................... (soris - sporocysts - spores)
51- soris
52- The......... degenerates after the growth of the new plant. (gametophyte - sporophyte - archegonia)
52- gametophyte.
53- The sporophyte is a................. (rhizome - green stem - rhizoid)
53- rhizome.
54- The adult worm of the bilharzia reproduces sexually in the................ (intermediate host - main host - water)
54- main host.
55- All stages of the plasmodium malaria are haploid except............ (sporozoits - merozoits - zygote)
55- zygote.
56- Fertilization is fusion of both male and female............. (gametes - nuclei - organs)
56- nuclei.
57- The...... remain within the female body in mammals. (male gametes - female gametes - both of them)
57- female gametes.
58- The pollination in Adiantum demands............... (water - dry soil - non of them)
58- water.
59- The flower is a short................. (pedicle - stem - stalk)
59- stem.
60- The male organ in the flower is called................ (androecium - gynoecium - anther)
60- androecium.
...
61- The male leaflets in the flower are called.............. (stamens - carpels - sepals)
61- stamens.
62- The carpel consists of stygma, style and the ovary where exist the..................... (pollen grains - ovules - ovary)
62- ovules.
63- The typical flower contains............ (gynoecium - androecium - all of them)
63- all of them.
64- If both male and female flowers exist on the same stem the plant is.............. (monocious - dieocious - hermaphrodite)
64- monocious.
65- If the male flowers exist on a stem and the female flowers on another stem the plant is called................. (monocious - dieocious - unisexual)
65- dieocieous
66- The receptacle of the hypogynous flowers is................ (convex - concave - flattened)
66- convex.
67- The receptacle of the epigynous flowers is............... (convex - concave - flattened)
67- concave.
68- The rceptacle of the perigynous flowers is.................. (concex - concave - flattened)
70- The nucleus of the micro-spore divides by mitosis into tube and................... nucleus. (generative - endospermic - male)
70- generative.
...
71- The orthotropous ovule is................ (rare - common - normal)
71- rare.
72- In the anatropous ovule the micropyle lies near the............ (funicle - receptacle - embryonic sac)
72- funicle.
73- The cell close to the micropyle grows forming the.......... (ovule - egg - ovary)
73- egg.
74- The three cells that are distant from the micropyle are called................. cells. (synergid - antipodal - endosperm)
74- antipodal.
75- The male nucleus fuses with the egg forming the.............. or the new plant. (embryo - endosperm nucleus - ovule)
75- embryo.
76- The endosperm nucleus is.............. (2n - 1n - 3n)
76- 3n.
77- The............. is the fusion of male nucleus with the egg and the fusion of the other male nucleus with the 2 polar nuclei. (double fertilization - fertilization - all previous)
77- double fertilization.
78- In exendospermic seeds the endosperm tissue.......... (is consumed - remains - develop into embryo)
78- is consumed.
79- The two integuments of the ovule become............ (nucellus - testa - ovary wall)
79- testa.
80- The ovary's wall in the flower becomes................ (pericarp - nucellus - fruit)
80- pericarp.
...
81- The single seeded fruit is called............... (seed - grain - orange)
81- grain.
82- In the............, the integument of the ovary and the ovule fuse together. (grain - seed - both of them)
82- grain.
83- In............. the leaflets of the calyx and the stamens remain. (orange - pomegranate - dates)
Complete the following between brackets:
6- The......... gives great number of offspring in short time. (asexual reproduction - sexual reproduction - all previous)
