A sexual reproduction take place by only
1.Zoospore
2.BioSpore
3.both
4.none
Posted Date:-2021-01-03 09:26:15
Amniocentesis, chorionic villi and alpha-fetoprotein sampling are performed to determine_____.
1.The most likely date of birth of the foetus
2. Whether the baby will be normal or abnormal
3.Whether the mother has a genetic abnormality
4. A and B
Posted Date:-2021-02-22 08:51:15
Amongst honey bees, the workers are:
1. Female
2.Male
3.Both females and males
4.Hermaphrodite
Posted Date:-2021-02-22 08:51:15
An orchid flower resembles the shape of a female fly so as to be able to get pollinated .this is an example of
1.Adapatation
2.Homeostasis
3.Pseudocopulation
4.Pseudopollination
Posted Date:-2021-01-03 09:24:14
Apis dorsata is used to refer to
1. Little bee
2.Indian bee
3.European bee
4. Rock bee
Posted Date:-2021-02-22 08:51:15
 For how long does a worker bee live in the summer?
1. For 2 weeks
2. For 2 months
3.For 4 months
4.For 6 months
Posted Date:-2021-02-22 08:51:15
 Nature of honey is
1. Acidic
2.Alkaline
3.Neutral
4.Turns basic after a few days
Posted Date:-2021-02-22 08:51:15
 The generic name of which of these is Apis?
1. Fish
2.Honey bee
3.Lac insect
4. Prawn
Posted Date:-2021-02-22 08:51:15
 The main difference between parenchyma, collenchyma and sclerenchyma is that
1. Parenchyma is involved in photosynthesis, secretion and storage
2. Collenchyma is involved in support and transportation of nutrients
3.Sclerenchyma is involved in support, protection, transportation of nutrients and water
4.All of these
Posted Date:-2021-02-22 08:51:15
Chloroplast of Chlamydomonas is
1.Stellate
2.Cup-shaped
3.Collar-shaped
4.Sprila
Posted Date:-2021-01-03 09:41:49
Coenogametangia are gametangia with
1.Multiple Gametes
2.Single Gametes
3.both
4.none
Posted Date:-2021-01-03 09:29:53
Honey is
1.Nectar of a flower
2.Nectar stored in the honey sac
3. Nectar mixed with saliva and stored in the honey sac
4.Nectar and water sucked by honey bee
Posted Date:-2021-02-22 08:51:15
In Rhizopus sexual fusion takes place between
1.Two gametes
2.Two coenogametangia
3.Two hyphae
4.Two sporangia
Posted Date:-2021-01-03 09:39:27
The main purpose that the aerenchyma serves in Parenchyma is
1.Offers flexibility
2.Renders Buoyancy
3.Provides structural framework
4.Provides mechanical support
Posted Date:-2021-02-22 08:51:15
Nucleus is present only in eukaryotes.
1.true
2.false
Posted Date:-2021-01-03 09:27:32
Parenchyma cells in the spongy mesophyll exhibit large intercellular spaces promoting:
1. To become nutrients for the future germinating embryo
2. Greater exposure to carbon dioxide
3.To distribute pressure evenly through the structure
4. No specific reason
Posted Date:-2021-02-22 08:51:15
Prion are
1.Proteins with 254 amino acids
2.Proteins with 254 amino kito acids
3.Proteins with 254 amino Hydro acids
4.None
Posted Date:-2021-01-01 10:25:00
Recently discovered only proteinous pathogenic particle is
1.Virion
2.Protovirus
3.Prion
4.Protoprotein
Posted Date:-2021-01-01 10:20:52
Stanley Prusiner discovered
1.Virion
2.Protovirus
3.Prion
4.Protoprotein
Posted Date:-2021-01-01 10:28:34
The bee carries the pollen back to its colony on
1.Its body
2.Its middle legs
3.Its front legs
4.Its rear legs
Posted Date:-2021-02-22 08:51:15
The chief constituent of honey is
1.Disaccharides
2.Monosaccharide
3.Polysaccharides
4.Fats
Posted Date:-2021-02-22 08:51:15
The development of a male bee (drone) takes how long?
1.16 days
2.19 days
3. 22 days
4.24 days
Posted Date:-2021-02-22 08:51:15
The fluid sample required for performing the Amniocentesis test is ________.
1.The amnion
2. The placenta
3.The liquid surrounding the immediate fetus
4.All of the above
Posted Date:-2021-02-22 08:51:15
The honey bee is of greatest use to mankind as:
1.It is of medicinal benefits
2.Helps in cross-pollination
3.We get honey from them
4.None of these
Posted Date:-2021-02-22 08:51:15
The tissue that provides maximum mechanical strength to the plant is
1. Xylem
2. Phloem
3.Parenchyma
4.Collenchyma
Posted Date:-2021-02-22 08:51:15
Vessels are found in
1.Most of the angiosperms and few gymnosperms
2. All angiosperms and some gymnosperms
3.All angiosperms, all gymnosperms and some pteridophytes
4. All pteridophytes
Posted Date:-2021-02-22 08:51:15
Which of the following is not associated with albugo ?
1.Asexual reproduction takes place by only zoospore .
2.It is obligate parasite.
3.It is parasitic on mustard.
4.none
Posted Date:-2021-01-03 09:33:28
Which of the following is not matched correctly ?
1.Cleviceps - Ascopore
2.Puccinia - Basidiospore
3.Trichoderma - Ascorpore
4.none
Posted Date:-2021-01-03 09:36:13
Which of the following tests cannot be examined by Amniocentesis procedure?
1. Chromosome analysis
2.Detecting genetic defects
3.Maturity of fetal lungs
4.None of these
Posted Date:-2021-02-22 08:51:15
Which of this is not a function that Parenchyma performs
1. Stores nutrients and food
2.Aids in regeneration, healing and repairs wounds
3.Provides foundation and support
4.None of these
Posted Date:-2021-02-22 08:51:15