WorksheetsChp 1&3
Total questions: 35
Worksheet time: 18mins
Reproduction is responsible for evolution ?
True
False
Asexual reproduction is when (a) parent/parents are involved.
(a) is the female whorl of the flower
Sudden changes in cells are called ______
Evolution
Variation
Mutation
None of the above
Which of these is not a mode of asexual reproduction
Budding
Fission
Fragmentation
None of the above
DNA strand used for transcription is called (a) strand
A type of cell division without spindle fibres is ________
Mitosis
Amitosis
Amoeba under favourable condition reproduces by (a) fission
Nitrogen base "A" stands for (a)
T is present on RNA
True
False
Jeet and Jay are twins. What type of twins can they be ?
Identical
Non-identical
Conjoined
All of the above
Progesterone is produced by (a)
Give an example of organism multiplying by multiple fission
(a)
Regeneration is seen in ________
Planaria
Lizard
Starfish
All of above
Nucleotide sequence on mRNA is called (a)
Formation of peptide bonds is a function of _______
mRNA
tRNA
rRNA
All the above
Members of Androecium are called (a)
_______ is a unisexual flower
A) It has androecium only
B) It has gynoecium only
Both Androecium and gynoecium
Both A and B
Bryophyllum reproduces vegitatively by forming buds on ____
Stem
Leaf margin
Root
Nodes
Which of these is not produced by Female reproductive system
Estrogen
Progesterone
FSH
None of the above
C10 and C12 are the two isotopes of carbon
True
False
______ organism reproduces by budding
Yeast
Hydra
Amoeba
Both yeast and hydra
Germination of pollen on stigma of a flower is called (a)
Mucor reproduces by ________
Spore formation
Budding
Regeneration
Vegetative Propogation
(a) is the first living material to be formed in the ocean
(a) are the special types of cells present at specific places in hydra where buds are formed
Cross pollination refers to ______
2 flowers from the same plant
2 flowers on different plants of the same species
A flower with itself
None of the above
Speciaton occuring due to an inablity to interbreed is ______ type of isolation
Geographic
Reproductive
Genetic variation
All of the above
Menstrual cycle occurs at an interval of _____
28-30 days
12-14 days
15-22 days
35-40 days
Which of these is not an organ of the male reproductive system
Bartholins glands
Testes
Seminal vesicles
Cowpers gland
Cro magnon man is the first example of wise man
True
False
Art of writing has originated around _______ years ago
5,000 years
10,000 years
50,000 years
15 lakh years
The ape of east africa is called as (a) ape
(a) bones of the back developed so that man could stand erect in grasslands
Cro magnon man evolved about __________ years ago
50,000
15 lakh
20 lakh
2 crore
