ICSE − Q & A

name the process that results in the yellowing of leaves due to lack of chlorophyll

+ 2 more questions by sam_01  

which gland produce what hormone that dilates the pupil of the eye?
asked by Samyukta Narasimhan (sam_01) 7 years ago
1

what is stereoscopic vision?
asked by Samyukta Narasimhan (sam_01) 7 years ago
1

Where to state which mendelian law?
I'm confused about the question"Name the law which explains the above"?

guys where is organ and its location? Please can someone provide the link?

What initiate spindle fiber formation in plant cell

what is the function of palisade mesophyll cells?

+ 1 more questions by abhipai  

How are the brain cells arranged in the cerebrum? should we state about white and dark matter or gyri and sulci?
asked by आन्टी गोर्मिन्ट की जय! (abhipai) 7 years ago
3

Name the following:
1. Abnormally increased RBC count
2. Lateral pairing of homologous chromosomes in prophase 1 of meiosis
3. Tendency of genes to stay together during hereditary transmission
4. Exchange of genetic materials between non-sister chromatids of homologous chromosomes
5. Genetic constitution of an organism
6. Literal meaning of mitosis
7. Structure which forms rungs of ladder in DNA molecule
8. Structure which regulates amount of light entering eye
9. An example each for oral contraceptive pills and IUD
10. Substance that initiates immune response
11. Excessive nourishment leading to loss of aquatic life
12. Condition resulting from oversecretion of GH in adults
13. Colouration when a vaselined leaf is tested for starch
14. Kind of leaf used for showing the necessity of chlorophyll for photosynthesis
15. State of equilibrium due to balance of functions and chemical composition of the body
16. Hormone which loosens pelvic ligaments and softens cervix during parturition
17. Ejection of foetal tissues and placenta following parturition
18. Two hormones which prepare uterus for pregnancy
19. Symptoms of cholera
20. Name of the stalk by which pituitary gland hangs from base of midbrain
21. Process by which mineral ions are absorbed by a plant
22. Extracts of toxins produced by bacteria
23. Utility of Darwin's and Ganong's potometer
24. Part of erythrocyte containing haemoglobin
25. Blood vessel carrying blood with lowest RBC conc.
26. Substance of which outer layer of root hair cell wall is made
27. Characteristic changes in a cell during interphase
28. Cause for squint
29. The three canals of cochlea
30. Constituents of vestibule
31. Cells which provide nourishment to a neuron
32. Side branches of an axon
33. Part of ovary which produces ova
34. Mendelian law responsible for dihybrid phenotypic ratio
35. Conditions resulting in presence of albumin in urine
Give reasons:
1. You do not enjoy watching a movie in theatre from a very close distance
2. Bacteria and moulds do not spoil squashes
3. Insulin is not given orally
4. A movie is an optical illusion
5. Medicines poured into eyes come to the nose and throat
6. Most leaves have a more shiny and green upper surface than lower surface
7. Fresh water fish cannot survive in sea water
8. Older people tend to feel more cold
9. Rate of bubbling of gas eventually decreases when an aquatic plant is exposed to red light for a long time
Full forms:
1. MTP 2. BCG 3. NADPH 4. TSH 5. DPT 6. MIC 7. BOD 8. SPM
Dates:
1. World Ozone Day 2. Red Cross Day 3. World Health Day 4. AIDS Day 5. World Population Day 6. World Water Day  7. World Environment Day

Just some random questions. Hope they help :) Forgive me if any question is wrong :)

I'm always confused, with the the fluids - Perilymph & Endolymph.
Can somebody please explain to me, which fluids are present in which part of the ear? 

T.I.A

guys have some doubts
1) what is the biological term for open circulatory system
2) why does the hepatic vein have lowest concentration of red blood cells per unit volume
2) is the technical term for providing immunity immunisation or prophylaxis
3) during secreation of adh does vasoconstriction takes place so that more blood can be sent to kidneys as selective reabsorption is a ATP demanding process?

Pls give ans to these questions asap:
1. Device used to check bleeding,
2.substance used to neutralise poison,
3.two chemical leading to formation of ozone,
4. Are there any disorders due to oversecretion and undersecretion of adrenaline?( if this is not in syllabus pls ans by mentioning NIS)

DEFINE: 1)Algal bloom
2)biomagnification
3)Eutrophication