Brand new Course Package released! Get 99% off your first purchase with code “99”. Find out more!
Back
0

Shopping cart

Close

No products in the cart.

May 2022

Home2022MayPage 9

Ovules in Pinus are generally

(a)  Anatropous with four integuments (b)  Anatropous with one integument (c)   Amphitropous with three integuments (d)  Orthotropous with two integuments...

Integument in Pinus ovule is

(a)  Haploid                              (b)  Diploid (c)   Triploid                              (d)  Tetraploid Ans. b   (8)

The wood obtained from Pinus plant is used for

(a)  Furniture                           (b)  Building purposes (c)   Match boxes                      (d)  All the above Ans. d (12)

Female gametophyte (endosperm) in Pinus is formed

(a)  Before pollination             (b)  After pollination (c)   After fertilization              (d)  None of the above Ans. a (50)

What nature does, acicular nature of Pinus needle depicts

(a)  Mesophytic                        (b)  Xerophytic (c)   Hydrophytic                      (d)  Sporophytic Ans. b (9)

Which one of the following graphs represents correctly the variation of the gravitational field (F) with the distance (r) from the centre of a spherical shell of mass M and radius a

Which one of the following graphs represents correctly the variation of the gravitational field (F) with the distance (r) from...

The foliage leaves or needles in Pinus are borne by

(a)  Branches of unlimited growth (b)  Branches of limited growth (c)   Branches of limited and unlimited growth (d)  Female cones...

The megasporophyll of Pinus consists of

(a)  Both bract and ovuliferous scales (b)  Only bract scales (c)   Only ovuliferous scales (d)  None of the above Ans....

Suppose, the acceleration due to gravity at the earth’s surface is

Suppose, the acceleration due to gravity at the earth’s surface is 10 m/s2 and at the surface of Mars it...

Male gametophyte of Pinus is found to be

(a)  10 celled                            (b)  6 celled (c)   4 celled                              (d)  2 celled Ans. c (6)

The edible part of seed of Pinus is

(a)  Epispore                            (b)  Endosperm (c)   Perisperm                         (d)  Pericarp Ans. b (17)

In Pinus, the terminal portion of microsporophyll of male cone is called

(a)  Embryo sac                       (b)  Bract scale (c)   Ovule                                 (d)  Apophysis Ans. d (14)

The gametophytes of Pinus are protected from dessication by living in

(a)  Moist soil (b)  Moist tissue of sporophyte in the cone (c)   Bogs and marshes (d)  The rainy season only...

In the embryo of Pinus, rosette cells lie

(a)  Above suspensor cells (b)  Between suspensor and embryonal cells (c)   Between primary and secondary suspensor cells (d)  Between embryonal...

Needles of Pinus possess meristem at

(a)  Apical portion                   (b)  Intercalary portion (c)   Basal portion                     (d)  Lateral portion Ans. c (6)

Which one of the following alternatives represents the gametophytic phase in Pinus

(a)  Pinus plant                        (b)  Zygote (c)   Micro and megaspores     (d)  Male and female cones Ans. c (13)

The secondary wood of Pinus is characterised by

(a)  Presence of resin cells      (b)  Presence of resin ducts (c)   Absence of resin ducts     (d)  Presence of vessels Ans....

In Pinus, the spur (dwarf shoot) has

(a)  One needle                        (b)  Two needles (c)   Three needles                   (d)  All correct Ans. d (9)

Pinus produces

(a)  No seeds                            (b)  Flowers (c)   No vascular tissues           (d)  Naked seeds in cones Ans. d (11)

By which curve will the variation of gravitational potential of a hollow sphere of radius R with distance be depicted

Answer: c (10)

Which statement is correct with reference to Pinus

(a)  It is of much economic value (b)  It is cosmopolitan in distribution (c)   If grows in deserts and exhibits...

Which of the following features are true for Pinus

(a)  Haploid endosperm         (b)  Bicilliated sperms (c)   Double fertilization           (d)  Presence of antheridia Ans. a (12)

A sphere of mass M and radius

A sphere of mass M and radius R2 has a concentric cavity of radius R1 as shown in figure. The...

The diagram showing the variation of gravitational potential of earth with distance from the centre of earth is

Answer: c (26)

Cataphylls are

(a)  Leaves of Selaginella        (b)  Scaly leaves of Pinus (c)   Needles of Pinus                (d)  Foliar leaves of Pinus...

Of the following, the false character with respect to Pinus is

(a)  Bract and ovuliferous scales (b)  Embryo with two cotyledons (c)   Resin canals in needles (d)  Tracheids with bordered pits...

Assuming the earth to have a constant density, point out which of the following curves show the variation of acceleration due to gravity from the centre of earth to the points far away from the surface of earth

Answer: c (7)

Which of the following is the best explanation for the excurrent (pyramidal) shape of Pinus (the branches giving the plant the appearance of a tall cone)

(a)  Competition among adjoining trees for sunlight (b)  The effect of auxins on growth of stem tips (c)   Adaptation for...

Resin and turpentine are obtained from

(a)  Cycas                                  (b)  Pinus (c)   Abies                                  (d)  Cedrus Ans. b (7)

In the embryo of Pinus rosette cells lie

(a)  Above suspensor cells (b)  Between suspensor and embryonal cells (c)   Between primary and secondary suspensor cells (d)  Between embryonal...

Among the following which does not belong to sporophytic generation in Pinus

(a)  Roots                                  (b)  Endosperm (c)   Dwarf shoot                       (d)  Long shoot Ans. b (9)

Male prothallus (gametophyte) in Pinus is having

(a)  1 prothallial cell                (b)  2 prothallial cells (c)   4 prothallial cells              (d)  A mass of cells Ans. b (7)

In Pinus seeds there are

(a)  Two cotyledons                 (b)  One cotyledon (c)   Fleshy cotyledons             (d)  Many cotyledons Ans. d (8)

A geostationary satellite orbits around the earth in a circular orbit of radius

A geostationary satellite orbits around the earth in a circular orbit of radius 36000 km. Then, the time period of...

Winged seeds are found in

(a)  Cycas                                  (b)  Pinus (c)   Papaver species                (d)  None of the above Ans. b (7)

Pine wood consists of almost entirely

(a)  Tracheids (b)  Vessels (c)   Equal number of tracheids and vessels (d)  More vessels and less tracheids Ans. a (8)

Which of the following structures in Pinus are haploid

(a)  Megaspore, integument, root (b)  Endosperm, megaspore, pollen grain (c)   Pollen grain, leaf, root (d)  Megaspore, endosperm, embryo Ans. b...

If the distance between the earth and the sun becomes half its present value, the number of days in a year would have been

(a)      64.5                                   (b)   129...

The male cone of Pinus is modified

(a)  Long shoot                         (b)  Needle leaves (c)   Dwarf shoot                       (d)  None of the above Ans.c (13)

A satellite is launched into a circular orbit of radius R around the earth. A second satellite is launched into an orbit of radius (1.01)R. The period of the second satellite is larger than that of the first one by approximately

(a)      0.5%                                  (b)  1.0%...
Haryana Police Recruitment Group C & D Vacancies & Coaching | Haryana CET Based Preparation
NEET 2026 FAQ – Syllabus, Exam Date, Preparation Tips & Course (Flame Institute)
SSC GD 2026, Notification, Apply Online, Vacancy, Eligibility, Exam Date, Syllabus, Online Form, Age Limit, PET/PST, Selection Process

Sign up to receive latest updates

Get in touch
Need some help?
Popular subjects
Need some help?
  • © 2025 Flame Institute.All rights reserved.
error: Content is protected !!