UP Board Class 12 Biology Syllabus 2021-2022

 UP Board Class 12 Biology Syllabus 2021-2022

• Unit I Reproduction
  • Chapter 1 Reproduction in organisms
  • Chapter 2 Sexual Reproduction in Flowering Plants
  • Chapter 3 Human Reproduction
  • Chapter 4 Reproductive Health
• Unit II Genetics and Evolution
  • Chapter 5 Principles of Inheritance and Variation
  • Chapter 6 Molecular Basis of Inheritance
  • Chapter 7 Evolution
• Unit III Biology in Human Welfare
  • Chapter 8 Human Health and Disease
  • Chapter 9 Strategies for Enhancement in Food Reproduction
  • Chapter 10 Microbes in Human Welfare
• Unit IV Biotechnology
  • Chapter 11 Biotechnology: Principles and Processes
  • Chapter 12 Biotechnology and its Applications
• Unit V Ecology
  • Chapter 13 Organisms and Populations
  • Chapter 14 Ecosystems
  • Chapter 15 Biodiversity and Conservation
  • Chapter 16 Environmental Issues

UP Board Important Questions for Class 11 Biology

UP Board Important Questions for Class 11 Biology 

The Questions number from 12 to 20 below carries 5 marks each:

Q12. List the characters found in the members of phylum Platyhelminthes.

Q13. We find that Rhizobium forms nodules on the roots of leguminous plants. Also Frankia, another microbe forms nitrogen-fixing nodules on the roots of non-leguminous plant Alnus.

(a) Can we artificially induce the property of nitrogen-fixation in a plant, leguminous or non-leguminous?

(b) What kind of relationship is observed between mycorrhiza and pine trees?

(c) Is it necessary for a microbe to be in close association with a plant to provide mineral nutrition? Explain with the help of an example.

 

Q14. Write a brief note on the endomembrane system.

Q15. Describe various forms of lipid with a few examples.

Q16. Discuss five different types of leaf modifications.

Q17. Explain briefly secondary growth in dicot stem.

Q18. Write detailed notes on the types of muscle tissue.

Q19. What are protozoan protists? Describe the different types of movement seen in this group.

Q20. Allium sativum belongs to which class, family? Describe the floral characters and floral formula of this family.

UP Board Important Questions for Class 11 Biology

UP Board Important Questions for Class 11 Biology 

Here we have provided the set of UP Board Class 11 Biology Important Questions that consist of long answers.

The Questions number from 1 to 11 below carries 3 marks each:

Q1. Write a note on neural tissue.

Q2. Write a note on the role of lysosomes in cellular metabolism.

Q3. Explain the role of calcium ions in muscle contraction.

Q4. “All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement.

Q5. Some symbiotic organisms are very good pollution indicators and composed of achlorophyllous and a non- chlorophyllous member. Describe them.

Q6. Write a note on the different types of arrangement of vascular bundles. Differentiate between Polyp and Medusa with examples.

Q7. (a) Why is conditioned reflex considered to be lost with time?

(b) Give two advantages of reflex action in animals.

Q8. Describe the biochemical composition of the plasma membrane with special emphasis on the arrangement of lipid molecules.

Q9. Explain how inhibitors might be important for plant survival.

Q10. Define collenchyma. Describe its role in the structure and other functions in the plant body of herbaceous angiosperms.

Q11. Write a short note on the action spectrum.

 

Hormones of fight or flight are called

 

Hormones of fight or flight are called

	Thymosins
	Mineralocorticoids
	Androgenic steroids
	Catecholamines

Stunted growth, mental retardation and low IQ in growing baby is associated with deficiency of hormone during pregnancy, this hormone is

 

Stunted growth, mental retardation and low IQ in growing baby is associated with deficiency of hormone during pregnancy, this hormone is

	TCT
	Thyroxine
	MSH
	Vasopressin

 Complete the analogy by choosing the correct option.

ANF : Atrial walls : : _____ : JG cells

	Cholecystokinin
	Erythropoietin
	GIP
	T3 and T4

In testis, androgens are secreted by

 

In testis, androgens are secreted by

	Cells of Sertoli
	Seminiferous tubules
	Interstitial cells
	Spermatozoa

All of the following hormones influence the cellular activities by interaction of hormone-receptor complex with the genome except

 

All of the following hormones influence the cellular activities by interaction of hormone-receptor complex with the genome except

	Glucocorticoids
	Testosterone
	Estradiol
	Oxytocin

The sensory organs detect all types of changes in the environment and send appropriate signals to a part of neural system where all the inputs are processed and analysed. This part of neural system is

 The sensory organs detect all types of changes in the environment and send appropriate signals to a part of neural system where all the inputs are processed and analysed. This part of neural system is

	PNS
	CNS
	SNS
	ANS

Select the option which correctly identifies hormone ‘X’ and molecule(s) ‘Y’ in the below given diagram of mechanism of hormone action.

 Select the option which correctly identifies hormone ‘X’ and molecule(s) ‘Y’ in the below given diagram of mechanism of hormone action.

	X – Estrogen,   Y– IP3
	X – FSH,   Y– cAMP
	X – Cortisol,   Y– Ca++
	X – Progesterone,   Y– cAMP

Match the following and select the correct option.

 Match the following and select the correct option.

	Column I		Column II
a.	Thymus	(i)	Anterior part of the kidney
b.	Adrenal	(ii)	Lobular gland located on the ventral side of aorta
c.	Pineal	(iii)	Dorsal side of forebrain

	a(ii); b(iii); c(i)
	a(ii); b(i); c(iii)
	a(iii); b(ii); c(i)
	a(i); b(iii); c(ii)

How many hormone/s given in the box below are peptide in nature?

 How many hormone/s given in the box below are peptide in nature?

	Four
	Three
	Two
	One

Select the correct matching of a hormone, its source and function.

 Select the correct matching of a hormone, its source and function.

	Hormone	Source	Function
(1)	ADH	Posterior pituitary	Water conservation in body
(2)	Oxytocin	Hypothalamus	Vigorous contraction of uterus during child birth
(3)	MSH	Hypothalamus	Regulates pigmentation of the skin
(4)	Estrogen	Corpus luteum	Induce abortion

	(1)
	(2)
	(3)
	(4)

Choose the odd one w.r.t. deficiency diseases of hormones.

 Choose the odd one w.r.t. deficiency diseases of hormones.

	Addison’s disease
	Pituitary dwarfism
	Diabetes mellitus
	Graves’ disease