MCQ
In angiosperms, the oospore on development produces
- ASeed
- ✓Embryo
- CProtonema
- DEndosperm
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| List $- I$ | List $- II$ |
| $(a)$ Protein | $(i)$ $C = C$ double bonds |
| $(b)$ Unsaturated fatty acid | $(ii)$ Phosphodiester bonds |
| $(c)$ Nucleic acid | $(iii)$ Glycosidic bonds |
| $(d)$ Polysaccharide | $(iv)$ Peptide bonds |
Choose the correct answer from the options given below.
$(a)- (b) -(c)- (d)$
| Column-$I$ | Column-$II$ |
| $A$. SER | $I$. Increase the surface area |
| $B$. Golgi apparatus | $II$. Store oils or fats |
| $C$. Cristae | $III$. Excretion |
| $D$. Peroxisome | $IV$. Photorespiration |
| $E$. Elaioplasts | $V$. Synthesis of lipid |
| Column - $I$ | Column - $II$ |
| $(a)$ Herbivores-Plants | $(i)$ Commensalism |
| $(b)$ Mycorrhiza-Plants | $(ii)$ Mutualism |
| $(c)$ Sheep-Cattle | $(iii)$ Predation |
| $(d)$ Orchid-Tree | $(iv)$ Competition |
Select the correct option from following
$(I)$ Nucleus of the functional megaspore divides meiotically to form two nuclei.
$(II)$ After $8$ nucleate stage, cell walls are laid down leading to organization of typical female gametophyte
$(III)$ The egg apparatus, consists of two synergids and one egg cell.
$(IV)$ Three cells are at the chalaza end are called antipodal cells.
$(1)$ In liverworts, mosses and ferns gametophytes are free-living
$(2)$ Gymnosperms and some ferns are heterosporous
$(3)$ Sexual reproduction in Fucus, Volvoxand albugo is oogamous
$(4)$ The sporophyte in liveworts is more elaborate than that in mosses
$(5)$ Both Pinus and Marchantia aredioecious
How many of the above statements are correct?