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WorksheetsLawankunu bio
Total questions: 20
Worksheet time: 10mins
One of the disadvantages of propagation by _____ is that the diseases of stock is manifested on the offspring.
seed
creed
craft
vegetative organ
Which of the following hormones contains iodine?
Thyroxine
Testosterone
Insulin
Adrenaline
Contraction of the heart is referred to as
Diastole
Systole
Peristalsis
Lub
The transfer of pollen from anther to stigma is
Circulation
Fertilization
Pollination
Parthenocarpy
In female cockroach, sperms are stored in the
Seminal vessicle
Spermatheca
Ejaculatory duct
Vagina
If water that has been coloured red is poured at the base of a wilting plant, it will appear as
a red stain in the cells of the
phloem
parenchyma
xylem
epidermis
In male mammal, sperms are formed in the..............
scrotal sac
seminal vesicle
cowper's gland
vas deferens
What is the slowest enzyme?
pepsin
lysozyme
amylase
lipase
Large number of organisms are produced by
Sexual reproduction
Asexual reproduction
Both
None
Which of the following has a bilaterally symmetrical body plan
Nereis
Euchinus
Sea anemone
Asterias
What are Diatoms?
Fungi
Plants
Protist
Algae
The group of virus which consist of only RNA called
Bacteriophage
Small pox
Retrovirus
All
Corona virus consist of ......
DNA
RNA
DNA and RNA
mRNA
Ovules are not protected by ovary wall in
Rose
Cycas
Petunia
Eucalyptus
The capability of a isolated single cell to develop into a complete plant is known as
Apomixis
Parthenogenesis
Totipotency
Somatic hybridization
A piece of DNA molecule that can serve as a carrier for the genes to be cloned is called
Virus
Vector
Viroid
Mycoplasma
Which is the smallest bone in mammals
Patella
Carpals
Incus
Stapes
Ammonia is the main nitrogenous excretory material in
Amphibians
Turtles
Tadpoles
Reptiles
Jellyfish belongs to which phylum
Porifera
Cnidaria
Nematoda
Mollusca
Which one is the largest animal phylum
Arthropod
Mollusca
Chordata
Annelida
