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WorksheetsScience 2 Revision
Total questions: 20
Worksheet time: 10mins
How has your exams been so far?
The hormone secreted by the testis of the male reproductive system is
LSH
Progesterone
Testosterone
Estrogen
Which of the following reproduces through fragmentation?
Spirogyra
Yeast
Rhizobus
Hydra
I am a metamerically segmented, blood-sucking ectoparasite. I have suckers. Who am I and to which phylum do I belong?
Dog fish, Phylum Chordata
Tapeworm, Phylum Platyhelminthes
Leech. Phylum Annelida
Hydra, Phylum Cnidaria
What does this symbol mean in relation to environment conservation?
We should drink water with our hands
Sustainable use of water is necessary for our future
We should drink rainwater
Wash hands before eating
Which phase shows a notch in the cytoplasm in between the central region?
Prophase
Metaphase
Anaphase
Cytokinesis
The hormone secreted by the testis of the male reproductive system is
LSH
Progesterone
Testosterone
Estrogen
Where is the largest hydroelectric power station located in Maharashtra?
Jayakawadi
Koyna Pofali
Lonavla
Bhira
Which of the following addiction is the most harmful for the nervous system?
Alcohol Consumption
Smoking
Chewing Gutkha
Chewing Tobacco
Which phylum includes organisms with jointed appendages?
Annelida
Arthropoda
Cnidaria
Platyhelmithes
What function does microbe pseudomonas perform?
Cleaning the hydrocarbon and oil pollutants from soil and water
Absorb radiations from radioactive debris
Cause formation of yoghurt
Absorb selenium from soil
Which of the following reproduces through fragmentation?
Spirogyra
Yeast
Rhizobus
Hydra
Identify the organisms and mention the phylum or class to which they belong.
Starfish, Planaria
Starfish, Echinodermata
Starfish, Pisces
Starfish, Cnidaria
What is the function of genetically modified India mustard?
Just provide mustard oil
Absorb selenium from soil
Absorb uranium and arsenic
Absorb radioactive materials
Which period is said to be the period of secretion of glands in the endometrium?
Day 5 to Day 13.
Day 13 to Day 16
Day 16 to Day 28.
Day 1 to Day 4
Which of the following genetically modified flowers absorb Uranium and arsenic from the soil?
Genetically Modified Lily
Genetically Modified Sunflower
Genetically Modified Mustard flower
Genetically Modified Roses
What happens when two solar cells are connected in parallel?
Total current I = I1 =I2
Total current I=I1+I2
What happens when two solar cells are connected in series?
Total current I = I1 =I2
Total current I=I1+I2
Identify the organisms and mention the phylum or class to which they belong.
Leech, Phylum - Annelida
Leech, Phylum - Platyhelminthes
Tapeworm, Phylum - Platyhelminthes
Tapeworm, Phylum - Annelids
In the menstrual cycle, which reproductive organs undergo change?
Follicles inside the ovary and the endometrium of the uterus
Testis in the scrotum
