The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to (1) hibernation (2) seed coat impermeability (3) infertility (4) vegetative reproduction 

1 Answer

Answer :

seed coat impermeability

Related questions

Description : The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to - (1) hibernation (2) seed coat impermeability (3) infertility (4) vegetative reproduction

Last Answer : (2) seed coat impermeability Explanation: A dormant seed is one that is unable to germinate in a specified period of time under a combination of environmental factors that are ... to prevent germination during unsuitable ecological conditions, but the probability of seedling survival is low.

Description : Reproduction of plants through seeds are also called: a. Asexual propagation b. Vegetative propagation c. Sexual propagation d. Tissue culture

Last Answer : Sexual propagation

Description : Which of the following statements are true? 1. Cytokinins promote stomatal opening 2. Sprays of indole -3 acetic acid can inhibit premature fruit fall 3. The growth movements caused by a unilateral stimulus are known as nastic movements 4. The ... 4 (b) 2 and 4 (c) 1, 2, and 4 (d) 1, 2, 3, and 4

Last Answer : Ans:(a)

Description : A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate

Last Answer : Ans. Seed

Description : Which one of the following in birds, indicates their reptilian ancestry? (a) Two special chambers crop and gizzard in their digestive tract (b) Eggs with a calcareous shell (c) Scales on their hind limbs (d) Four-chambered heart

Last Answer : (c) Scales on their hind limbs

Description : Explain vegetative reproduction in higher plants. -Biology

Last Answer : answer:

Description : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation is a type of Asexual reproduction

Last Answer : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation ... D. If both As and R are wrong.

Description : What is common between vegetative reproduction and apomixis? (a) Both are applicable to only dicot plants. (b) Both bypass the flowering phase. (c) Both occur round the year. (d) Both produce progeny identical to the parent.

Last Answer : (d) Both produce progeny identical to the parent

Description : Advantages of Artificial Methods of Vegetative Reproduction include a) Crops with better quality b) Crops with more yield c) Ability to produce plants with desirable qualities d) All of these 

Last Answer : c) Ability to produce plants with desirable qualities 

Description : According to Mendelism, which character shows dominance? (a) Terminal position of flower (b) Green colour in seed coat (c) Wrinkled seeds (d) Green pod colour

Last Answer : (d) Green pod colour

Description : Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte ... by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.

Last Answer : (b) female gametophyte lacks archegonia

Description : Vegetative reproduction of Agave occurs through (a) rhizome (b) stolon (c) bulbils (d) sucker.

Last Answer : (c) bulbils

Description : Sugarcane plants are usually propagated by vegetative means because - (1) they do not produce seeds (2) it is possible to maintain genetic quality (3) the incidence of disease may be reduced

Last Answer : (1) they do not produce seeds Explanation: Vegetative reproduction is a form of asexual reproduction in plants. It is a process by which new individuals arise without production ... propagation include cutting, vegetative apomixis, layering, division, budding, grafting and tissue culture.

Description : Sugarcane plants are usually propagated by vegetative means because (1) they do not produce seeds (2) it is possible to maintain genetic quality (3) the incidence of disease may be reduced 

Last Answer : they do not produce seeds

Description : Name the muscles which assit in the transportation of food through the digestive tract and gametes through the genital tract.

Last Answer : Name the muscles which assit in the transportation of food through the digestive tract and gametes through the genital tract.

Description : What is taking chemicals into the body through the digestive tract called?

Last Answer : Eating

Description : What is taking chemicals into the body through the digestive tract called?

Last Answer : Eating

Description : How do I start (germinate) columbine seeds and when and where can they be planted outside in western NY?

Last Answer : Put them where they can take over an area........as they will. They come up every year.

Description : How long can I keep flower and vegetable seeds before they won't germinate?

Last Answer : A few months is how long they will survive.

Description : Consider the following four statements (1-4) about certain desert animals such as kangaroo, rat. (1) They have dark colour and high rate of reproduction and excrete solid urine. (2) They do ... water. (4) They excrete very concentrated urine and do not use water to regulate body temperature.

Last Answer : (c) 3 and 4

Description : Consider the following statements about pollination. 1. Transfer of pollen grains from the anther to ovules in the same flower or a different f lower is called pollination. 2. The pollination by wind is called anemophily. 3. Pollination is a ... 1 and 3 (b) 1, 2 and 4 (c) Only 2 (d) 1, 2, 3 and 4

Last Answer : Ans:(c)

Description : Can you plant thyme seeds in the fall in zone 3-4 and leave out over the winter to germinate in the spring?

Last Answer : Need Answer

Description : how do I germinate rose seeds?

Last Answer : Need Answer

Description : how do I germinate milkweed seeds

Last Answer : Need Answer

Description : How do I plant peach seeds and get them to germinate?

Last Answer : We have tried to do this many times. I believe that they graft those trees.

Description : Do periwinkle seeds germinate only in total darkness?

Last Answer : Need Answer

Description : When can Hellebore seeds be planted & how long for them to germinate?

Last Answer : Need Answer

Description : How long does it take for chive seeds to germinate?

Last Answer : Need Answer

Description : how do I germinate black rose seeds to plant

Last Answer : My grandfather used to put the seeds in damp spagnum moss. Place paper towel on table. Put dampened moss and seeds on paper towel. Roll up paper towel and place in snack bag. Close bag and place ... and types of roses. He was a hybridizer and held several rose patents. I hope this helps you.

Description : what is the best way to germinate rebutia cacti seeds

Last Answer : Need Answer

Description : What cannabis seeds need to germinate?

Last Answer : Need Answer

Description : Onion seeds can germinate at a temperature of : a. 0-1°C b. 1-5°C c. 5-11°C d. 15-20°C

Last Answer : 1-5°C

Description : How to Germinate Seeds

Last Answer : How to Germinate Seeds Whether you're a beginner or a farmer for many years, germinating seeds successfully will always remain a challenge. Some seeds germinate easily while others do not. ... 70 degrees Fahrenheit. Have a little patience. With tender loving care, the seeds should germinate.

Description : unlike sexual reproduction, vegetative reproduction -General Knowledge

Last Answer : Unlike sexual reproduction, vegetative reproduction: produces offspring by mitosis.

Description : Why is vegetative reproduction also considered as a type of asexual reproduction? -Biology

Last Answer : answer:

Description : Vegetative reproduction in algae. -Biology

Last Answer : answer:

Description : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called vegetative reproduction.

Last Answer : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called ... D. If both As and R are wrong.

Description : Bulbils takes part in - (1) Sexual reproduction (2) Vegetative reproduction (3) Food storage (4) Respiration

Last Answer : (2) Vegetative reproduction Explanation: Bulbil is a small bulblike organ of vegetative re-production growing in leaf axils or on flower stalks of plants such as the onion and tiger lily. It is a ... from the parent plant on to the ground, give out adventitious roots and develop into new plants.

Description : Mendel's principles of inheritance are based on – (1) Vegetative reproduction (2) Asexual reproduction (3) Sexual reproduction (4) All of the above

Last Answer : (3) Sexual reproduction Explanation: Genes located on different chromosomes will be inherited independently of each other. Mendel observed that, when peas with more than one trait were crossed, the progeny did not always match the parents.

Description : Eyes of potato are useful for - (1) Nutrition (2) Respiration (3) Reproduction (4) Vegetative propagation

Last Answer : (4) Vegetative propagation Explanation: Any potato variety can be propagated vegetatively by planting tubers, pieces of tubers, cut to include at least one or two eyes, or also by cuttings, a ... worms. The tapeworms use their head, called the scolex, to attach themselves to the intestinal wall.

Description : Which one of the following generates new genetic combinations leading to variation? (a) Vegetative reproduction (b) Parthenogenesis (c) Sexual reproduction (d) Nucellar polyembryony

Last Answer : (c) Sexual reproduction

Description : In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of (a) gamete formation (b) zoospore formation (c) zygospore germination (d) vegetative reproduction.

Last Answer : (c) zygospore germination

Description : What is common between vegetative reproduction and Apomixis?a)Both are applicable to only dicot plantsb)Both bypass the flowering phasec)Both occur round the yeard)Both produces progeny identical to the paren

Last Answer : Both produces progeny identical to the parent

Description : Write short notes on leaves that help in vegetative reproduction

Last Answer : Ans: Leaves which have epiphyllous buds help in vegetative reproduction. Such leaves are called as reproductive leaves. In Bryophyllum, notches of leaf margins have epiphyllous buds which upon shedding strike ... buds arise at the leaf tip and in Begonia from the wounded regions of leaf.  

Description : External agencies are not required in a) natural vegetative propagation b) sexual reproduction c) bisexual reproduction d) trisexual reproduction

Last Answer : a) natural vegetative propagation

Description : Bulbils takes part in (1) Sexual reproduction (2) Vegetative reproduction (3) Food storage (4) Respiration

Last Answer : Vegetative reproduction

Description : Eyes of potato are useful for (1) Nutrition (2) Respiration (3) Reproduction (4) Vegetative propagation

Last Answer : Vegetative propagation 

Description : Does the grass seed I cut off while cutting the grass ever germinate?

Last Answer : According to my husband who knows such things; the grass plant would to have to grow to maturity, get a ripe seed head, then the plant dies and the seed is ready and would be able to germinate. The grass would look dead and yellow, like wheat before it is harvested.

Description : If I take the seed out of the pit, would a cherry germinate now?

Last Answer : Need Answer

Description : How long does it take for a gourd seed to germinate?

Last Answer : In Pa we plant them in the spring when the danger of frost has past.......if it stays warm enough....maybe 2 or 3 weeks after planting we might see something starting.