A seed may be defined as a fertilized
1.egg
2.ovary
3.ovule
4.embryo
Posted Date:-2021-08-14 16:03:01
After pollination the pollens are transferred to which part of the flower
1.ovary
2.style
3.stigma
4.none of these
Posted Date:-2021-08-14 16:03:01
Algae differ from plants in that the sex organs in algae are
1.multicellular
2.unicellular
3.acellular
4.none of these
Posted Date:-2021-08-14 16:03:01
All life on planet earth is powered by
1.solar energy
2.thermal energy
3.tidal energy
4.kinetic energy
Posted Date:-2021-08-14 16:03:01
An isolated virus is not considered living since it
1.separate into two parts
2.cannot metabolize
3.rapidly looses its genome
4.all of these
Posted Date:-2021-08-14 16:03:01
Bacteria without any flagella are called
1.monotrichous
2.atrichous
3.peritrichous
4.lophotrichous
Posted Date:-2021-08-14 16:03:01
Bryophytes are
1.all heterosporous
2.all homosporous
3.mostly homosporus
4.none of these
Posted Date:-2021-08-14 16:03:01
Cassia fistula is the scientific name of
1.amaltas
2.rose
3.onion
4.tomato
Posted Date:-2021-08-14 16:03:01
Cell envelope does not include
1.capsule
2.slime layer
3.cell wall
4.cell membrane
Posted Date:-2021-08-14 16:03:01
Coenocytes is a fungal body which is
1.multi-nucleate aseptate
2.multi-nucleate septate
3.uni-nucleate septate
4.uni-nucleate aseptate
Posted Date:-2021-08-14 16:03:01
Common feature of human and insect trachea is
1.non-collapsiable wall
2.supporting rings
3.ectodermal origin
4.endodermal origin
Posted Date:-2021-08-14 16:03:01
Deafness is caused by misuse of
1.penicillin
2.tetracycline
3.paracetamol
4.streptomycin
Posted Date:-2021-08-14 16:03:01
Environment is a source of
1.food
2.shelter
3.clothing
4.all of these
Posted Date:-2021-08-14 16:03:01
Foul smell in lake is produced by
1.algae
2.bacteria
3.fungi
4.all of these
Posted Date:-2021-08-14 16:03:01
Fresh water ecosystem covers
1.2%
2.1%
3.3%
4.5%
Posted Date:-2021-08-14 16:03:01
Fungi can absorb food from the substrate because the have
1.sporangium
2.spores
3.rhizoids
4.stalk
Posted Date:-2021-08-14 16:03:01
Glyoxisomes contain enzymes for
1.glyoxylate cycle
2.glycolate cycle
3.Calvin cycle
4.none of these
Posted Date:-2021-08-14 16:03:01
In bacterial and viral infection, their is increase in number of
1.platelets
2.RBCs
3.antibodies
4.WBCs
Posted Date:-2021-08-14 16:03:01
In birds the sex is determined by the type of
1.sperm
2.autosomes
3.egg
4.none of these
Posted Date:-2021-08-14 16:03:01
In cystic fibrosis, the patient lacks a gene that codes for trans-membarene carrier of
1.sodium ion
2.carbon dioxide
3.chloride ion
4.potassium ion
Posted Date:-2021-08-14 16:03:01
In plants, which are involved in testa formation
1.tracheids
2.sclereids
3.sclerenchyma
4.none of these
Posted Date:-2021-08-14 16:03:01
In RNA nucleotides are attached by
1.peptide bonds
2.hydrogen bonds
3.covalent bond
4.phosphodiester bond
Posted Date:-2021-08-14 16:03:01
In which plants leaves are always in whorls
1.lycopsids
2.psilopsids
3.sphenopsids
4.pteropsids
Posted Date:-2021-08-14 16:03:01
Irregular grape like cluster of bacilli is called
1.diplo bacilli
2.strepto bacilli
3.staphylo bacilli
4.none of these
Posted Date:-2021-08-14 16:03:01
It is generally accepted that plants arose from ancestral
1.green algae
2.fungi
3.bacteria
4.all of these
Posted Date:-2021-08-14 16:03:01
Main energy reserves in the case of green algae are
1.glycogen
2.sucrose
3.glucose
4.starch
Posted Date:-2021-08-14 16:03:01
Nephridia are excretory organs in
1.round worms
2.lizard
3.earth worm
4.planaria
Posted Date:-2021-08-14 16:03:01
Phage virus consists of head and
1.thorax
2.neck
3.tail
4.none of these
Posted Date:-2021-08-14 16:03:01
Photosynthetic prokaryotes lack
1.ribosomes
2.chloroplast
3.cell-membrane
4.vacuole
Posted Date:-2021-08-14 16:03:01
Plants having foreign DNA are known as
1.genetic plants
2.recombinant plants
3.cultured plants
4.transgenic plants
Posted Date:-2021-08-14 16:03:01
Platyhelminthes means
1.round worms
2.flat worms
3.tape worms
4.pin worms
Posted Date:-2021-08-14 16:03:01
Protists have been evolved from
1.animals
2.plants
3.fungi
4.prokaryotes
Posted Date:-2021-08-14 16:03:01
Recombinant DNA is introduced in to host cell by means of
1.phage
2.vector
3.bacteria
4.enzyme
Posted Date:-2021-08-14 16:03:01
Single membrane bounded organelle is
1.nucleus
2.lysosome
3.ribosome
4.none of these
Posted Date:-2021-08-14 16:03:01
Starch is richly present in
1.onion
2.apple
3.cereals
4.tomato
Posted Date:-2021-08-14 16:03:01
The basic framework of all types of membranes are
1.lipoproteins
2.glycoproteins
3.proteoglycans
4.nucleoproteins
Posted Date:-2021-08-14 16:03:01
The chief component of the cell wall of the majority of fungi is
1.pectin
2.chitin
3.lignin
4.cellulose
Posted Date:-2021-08-14 16:03:01
The chromosome is
1.gene
2.genes + protein
3.DNA + genes
4.gene + protein
Posted Date:-2021-08-14 16:03:01
The etiolated plants lack
1.chlorophyll
2.xanthophyll
3.caroteins
4.none of these
Posted Date:-2021-08-14 16:03:01
The first land vertebrates were
1.dipnoi
2.amphibia
3.reptilia
4.aves
Posted Date:-2021-08-14 16:03:01
The human body contains water
1.60-80%
2.70-90%
3.75-95%
4.80-90%
Posted Date:-2021-08-14 16:03:01
The predominant phycobilin pigment in cyanobacteria which is of blue colour is
1.phycoerythrin
2.phycocyanin
3.fucocyanin
4.fucoxanthin
Posted Date:-2021-08-14 16:03:01
The scientific name of jelly fish is
1.Aurelia
2.Madrepore
3.Actinia
4.Obelia
Posted Date:-2021-08-14 16:03:01
Vacuoles serve to
1.expand the plant cells
2.sites for storage
3.both in expansion and storage
4.non-specific function
Posted Date:-2021-08-14 16:03:01
Vomiting occurs due to
1.constipation
2.diarrhoea
3.antiperistalsis
4.peristalsis
Posted Date:-2021-08-14 16:03:01
Which gene is located on linkage group number 11 in man
1.sickle cell anemia
2.leukemia
3.albinism
4.all of these
Posted Date:-2021-08-14 16:03:01
Which of the following kinds of atom do not occur in carbohydrates
1.carbon
2.hydrogen
3.nitrogen
4.oxygen
Posted Date:-2021-08-14 16:03:01
Which of the following organ is because of absence of teeth in birds
1.crop
2.syrinx
3.stomach
4.gizzard
Posted Date:-2021-08-14 16:03:01
Which one is harmful mollusc
1.slug
2.snail
3.oyester
4.star fish
Posted Date:-2021-08-14 16:03:01
Which structure is involve in gaseous exchange of plants
1.stomata
2.lenticels
3.cuticle
4.all of these
Posted Date:-2021-08-14 16:03:01