Rivet Popper Hypothesis explains
- ✓loss of biodiversity
- Bbiomagnification
- Cspecies area relationship
- Dsignificance of diversity
Answer: A.
View full solution →Question types
REPEATER 2024 question types
47 questions across 5 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
47
Questions
5
Question groups
5
Question types
01
MCQ
10 Q→02Answer the following questions
8 Q→03Answer the following questions.
12 Q→04Answer the following questions in detail.
12 Q→05Answer the following in detail :
5 Q→Sample Questions
REPEATER 2024 questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Choose the correct name of phases A, B and C in the given figure
- AStationary, Log, Lag
- BLog, Lag, Stationary
- CLog, Stationary, Lag
- ✓Lag, Log, Stationary
Answer: D.
View full solution →Degeneration of dopamine producing neurons in the CNS causes _____________ .
- AAlzheimer's disease
- BAddison's disease
- CGrave's disease
- ✓Parkinson's disease
Answer: D.
View full solution →_____________ cellular fragments are formed from megakaryocytes.
- AErythrocytes
- BLeucocytes
- ✓Thrombocytes
- DMonocytes
Answer: C.
View full solution →Value of root pressure is +1 to +2 bars which is enough to pump water to a height of _____________ .
- A50-60 meters
- ✓10-20 meters
- C30-40 meters
- D20-30 meters
Answer: B.
View full solution →Name the pioneer species in the aquatic habitat during primary succession.
Mention the type of association between sea anemone and clown fish.
Which endocrine gland plays an important role in the development of immune system?
Name the connection between pulmonary trunk and aortic arch representing remnant of embryonic ductus arteriosus.
How many haploid nuclei are present in mature female gametophyte of Angiosperms?
Write causative agent, two symptoms and mode of transmission of typhoid.
Give any two examples of commercially exploited products of transgenic plants.
Match cells of immune system in column-I and their functions in column-II and rewrite it.
| column-l | column-II | ||
| i. | Cytotoxic T cells | (a) | Activation of helper T cells |
| ii. | Plasma cells | (b) | Blood group antigens |
| iii. | Antigen presenting cells | (c) | Secretion of perforins |
| iv. | Red blood cells | (d) | Antibody production |
Give location of corpus callosum and arbor vitae of human brain.
Give the function of Nebenkern and Zona pellucida.
(i) What is hematocrit?
(ii) Mention the term with respect to -
(a) Temporary increase in number of WBCs
(b) Decrease in number of RBCs
(ii) Mention the term with respect to -
(a) Temporary increase in number of WBCs
(b) Decrease in number of RBCs
(i) Explain the following:
(a) Leaching
(b) Humification and mineralisation
(ii) What is humus?
(a) Leaching
(b) Humification and mineralisation
(ii) What is humus?
What is mycorrhiza? Name its types and state any two benefits of mycorrhiza.
Give physiological effects and applications of cytokinin.
Describe any three causes for loss of biodiversity.
With the help of a suitable diagram describe histology of testis.
How transgenic pigs and cattle are commercially beneficial?
(i) Define hormone.
(ii) Enlist any two properties of hormones.
(iii) Give diagrammatic representation of mode of hormone action through membrane bound receptors.
(ii) Enlist any two properties of hormones.
(iii) Give diagrammatic representation of mode of hormone action through membrane bound receptors.
Describe mechanism of opening and closing of stomata with reference to:
$(i)$ Starch$-$sugar interconversion theory
$(ii)$ Proton transport theory
View full solution →$(i)$ Starch$-$sugar interconversion theory
$(ii)$ Proton transport theory
Generate a REPEATER 2024 paper free
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.