Answer all the 10 questions.
1.Theory of natural selection was proposed by ........... (Charles Darwin, Hugo de Vries, Gregor Johan Mendel, Jean Babtise Lamarck)
2.The most serious form of malaria is caused by..........(Plasmodium ovule, Plasmodium malariae, Plasmodium falciparum, Plasmodium vivax)
3.In sexual reporoduction of flowering plants, the first even involved in this is....(Fertilization, Germination, Regeneration, Pollination)
4.The process in which metabolic waste are removed is.......(conduction, Excretion,,Respiration, all of these)
5................. is alternate expression of same gene((Alleles,Variation, Speciation,Gene,Allelomorphy)
6.An example for protozoan infecting our intestine is..............(plasmodium vivax, Entomoeba histolica, Trypanasoma gambiense, Taenia solium)
7.the ferrtilized overy is frui.The fruit develops from a single flower with multicarpellary. Apocarpous superior vary is ......(aggregate fruit, composite fruit, simple fruit, multiple fruit)
8.the xylem in the plants are responsible for.........(transport of water, transport of food), transport of amino acid, transport of oxygen)
9............worked out the first scientific experiment study on heredity.(Lan wilmut, Gregor johan mendal, charles Darwin, Lamarck)
10. the viral disease is.........(Rabies, cholera,Maleria,Typhoid)
Answer any 10 questions (2marks)
11.Do Agree with the following statements? If not,give correct statements:
a)primitive man evolved in Australia
b)Between 7500-1000 years the modern Homo sapiens arosa.
12.thyroid gland secrets a hormone called thyroxine. Give any two type functions of this horrmone?
13.In Balsam plant the seeds fall off far away from the mother plant. a) Is the statement corect or incorect? b) give reason.
14.Based on modifications make the pairs. a)..........:tusk of elephant. b)........: quills of porcupine
15.Identical twins are syngenic with similar chromosoman contents. Natural clones are those who posses identical chromosomes. Fill up with the suitable word given in the brackets.
a)Identical twins are .......(natural clones/ induces clones)
b) Identical twins are.......(dissimilar to each other/similar to each other)
16.Kavitha is sufering grom common cold. What are the questions you will put forth to Kavitha to confirm the disease? a)............. b).............
17.Correct the statements if they are wrong. a)Alpoha cells produces insulin and beta cells products glucagon. b) Ovary oroduces egs and androgen
18.composite fruit is formed by all the flowers of ........ .......... fruit is developed from a single flower with multicarpellary apocarpous superior ovary.
19.Based on relationship, fill up: Whale: Baleen plates. Bat:...................
20.fill in blanks: Plasma: FIbrinogen. RBC: carriege of oxygen. WBC:...................
21.study the food chain below, corec it and convert into a pyramid of energy.
Mulberry-sparrow-caterpillar-Kite.
22.sequentially arrange the different species of man from primitive to modern man.(Neanderthal man, Homohobillis, Homoerectus, Homosapiens)
23.the important event of meiosis is the crossing over. it occurs during(Leptotene, pachytene,Diplotene, Zygotene)
24.The epidermis of mammals contain: a) hair , bristle,quills b)hair , nail, claw c) hair , bristle, horn. d)hair nail,scale
Answers any four questions( five marks)
25.a) What is geneting engineering? b) Whate are uses of genetic engineering?
26. Kala has delivered a baby. a) Suggest the immunization schedule for the baby in the first six months . b) What are the diseases that can be cured as per the schedule?
27. a) Name the process by which the fruits is developed? b) Give the development process in brief. c)Draw a neat diagam of that process and label.
28. a)Classify the following substances.(wood, paper, plastic and grasses) . b) Give detailed account on you classification.
29.Stem cell culture has brought a lot of benefits to mankind. a)List the types of stem cells. b) what are the characterstic features of stem cells? c) How are the somatic stem cells obtained?
30)15th October is observed as " Hand Washing Day" a)Tell your friend the effects of hand washing.
b) In a day, what are the occasions in which you wash your hand?
1.Theory of natural selection was proposed by ........... (Charles Darwin, Hugo de Vries, Gregor Johan Mendel, Jean Babtise Lamarck)
2.The most serious form of malaria is caused by..........(Plasmodium ovule, Plasmodium malariae, Plasmodium falciparum, Plasmodium vivax)
3.In sexual reporoduction of flowering plants, the first even involved in this is....(Fertilization, Germination, Regeneration, Pollination)
4.The process in which metabolic waste are removed is.......(conduction, Excretion,,Respiration, all of these)
5................. is alternate expression of same gene((Alleles,Variation, Speciation,Gene,Allelomorphy)
6.An example for protozoan infecting our intestine is..............(plasmodium vivax, Entomoeba histolica, Trypanasoma gambiense, Taenia solium)
7.the ferrtilized overy is frui.The fruit develops from a single flower with multicarpellary. Apocarpous superior vary is ......(aggregate fruit, composite fruit, simple fruit, multiple fruit)
8.the xylem in the plants are responsible for.........(transport of water, transport of food), transport of amino acid, transport of oxygen)
9............worked out the first scientific experiment study on heredity.(Lan wilmut, Gregor johan mendal, charles Darwin, Lamarck)
10. the viral disease is.........(Rabies, cholera,Maleria,Typhoid)
Answer any 10 questions (2marks)
11.Do Agree with the following statements? If not,give correct statements:
a)primitive man evolved in Australia
b)Between 7500-1000 years the modern Homo sapiens arosa.
12.thyroid gland secrets a hormone called thyroxine. Give any two type functions of this horrmone?
13.In Balsam plant the seeds fall off far away from the mother plant. a) Is the statement corect or incorect? b) give reason.
14.Based on modifications make the pairs. a)..........:tusk of elephant. b)........: quills of porcupine
15.Identical twins are syngenic with similar chromosoman contents. Natural clones are those who posses identical chromosomes. Fill up with the suitable word given in the brackets.
a)Identical twins are .......(natural clones/ induces clones)
b) Identical twins are.......(dissimilar to each other/similar to each other)
16.Kavitha is sufering grom common cold. What are the questions you will put forth to Kavitha to confirm the disease? a)............. b).............
17.Correct the statements if they are wrong. a)Alpoha cells produces insulin and beta cells products glucagon. b) Ovary oroduces egs and androgen
18.composite fruit is formed by all the flowers of ........ .......... fruit is developed from a single flower with multicarpellary apocarpous superior ovary.
19.Based on relationship, fill up: Whale: Baleen plates. Bat:...................
20.fill in blanks: Plasma: FIbrinogen. RBC: carriege of oxygen. WBC:...................
21.study the food chain below, corec it and convert into a pyramid of energy.
Mulberry-sparrow-caterpillar-Kite.
22.sequentially arrange the different species of man from primitive to modern man.(Neanderthal man, Homohobillis, Homoerectus, Homosapiens)
23.the important event of meiosis is the crossing over. it occurs during(Leptotene, pachytene,Diplotene, Zygotene)
24.The epidermis of mammals contain: a) hair , bristle,quills b)hair , nail, claw c) hair , bristle, horn. d)hair nail,scale
Answers any four questions( five marks)
25.a) What is geneting engineering? b) Whate are uses of genetic engineering?
26. Kala has delivered a baby. a) Suggest the immunization schedule for the baby in the first six months . b) What are the diseases that can be cured as per the schedule?
27. a) Name the process by which the fruits is developed? b) Give the development process in brief. c)Draw a neat diagam of that process and label.
28. a)Classify the following substances.(wood, paper, plastic and grasses) . b) Give detailed account on you classification.
29.Stem cell culture has brought a lot of benefits to mankind. a)List the types of stem cells. b) what are the characterstic features of stem cells? c) How are the somatic stem cells obtained?
30)15th October is observed as " Hand Washing Day" a)Tell your friend the effects of hand washing.
b) In a day, what are the occasions in which you wash your hand?
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